There's much more to explore at the official Missouri State Archives website, including a host of digital resources -- many that will thrill family history researchers -- that are not part of the Digital Heritage site and are easy to overlook:
- Archives' Online Catalog
- Birth & Death Records Database, pre-1910
- Civil War Provost Marshal Index Database
- Coroner's Inquest Database
- County and Municipal Records on Microfilm
- Digital Collections
- Finding Aids
- Land Patents Database
- Local Records Inventory Database
- Missouri Death Certificates, 1910-1964
- Missouri Judicial Index Database
- Missouri Judicial Records
- Missouri Supreme Court Historical Database
- Naturalization Records Database
- Soldiers' Records: War of 1812 - World War I
- St. Louis Circuit Court Historical Records Project
- St. Louis Probate Court Digitization Project
The Birth/Death records include stillborn births, a rarity in genealogical research.
State archives also include a County Inventory database that indexes the (mostly offline) archives held at the local level, and highlight, as well, a few additional online collections:
- Lewis and Clark Expedition
- Provost Marshal/United States Colored Troops PDF images
- The Missouri Mormon War
The Missouri-Mormon War! Who knew!
Speaking of collections, head back to the Digital Heritage Collections site for a moment, where you can find the full list of several hundred online Collections, not all of which (e.g. Albrecht Dürer Woodcuts) have a Missouri focus:
- 1948 Presidential Campaign
- 1951 Flood
- A. B. Nichols Panama Collection
- Achieve-the Alumni Magazine of William Jewell College
- Adair County Porter School House
- Advertising Cards
- African American History Collection (Guide)
- African American Portrait Collection
- African Americans in Northeast Missouri
- Albrecht Dürer Woodcuts
- American Civil War in Missouri
- American Regionalism: Visions from the Heartland
- Andrew Taylor Still Papers
- Archer's Thumb Rings
- Architectonic Fixations: Photographs from the Collection of Russell Sturgis
- Art to Enchant: Illustrators and Shakespeare
- Assorted Images of Kansas City
- Autochromes
- Bagnell Dam Construction Photographs
- Baron Missakian Collection
- Before Dred Scott: Freedom Suits in Antebellum Missouri
- Benjamin Gratz Brown, 1871-1873
- BEYOND TLC: Missouri Women in the Health Science Professions
- Big Fire
- Blue Springs Historical Society Archives Photograph Collection
- Boone County Historical Society Civil War Collection
- Border Star Newspaper [also Weekly Border Star]
- Brush Creek Follies: Photographs, Sound, and Video from the Arthur B. Church - KMBC Radio Collection
- Buck Clayton Collection
- Bureau of Labor and Statistics - The Red Book
- Camp Crowder Photograph Collection
- Cape Girardeau Argus
- Capitol Construction Photographs
- Carrie Watkins Cookbook
- Carthage Picture Booklet
- Cass Gilbert's Palace of Fine Arts
- Celebrating the Louisiana Purchase: The 1904 World's Fair
- Central Wesleyan College Archives
- Centuries of Civil Engineering: A Rare Book Exhibition Celebrating the Heritage of Civil Engineering
- Chariton Collector
- Charles Elliott Gill Photographs
- Civil War Collection (Guide)
- Civil War in Missouri - Monographs
- Civil War Letters of Lewis Riley
- Claiborne Fox Jackson, 1861
- Clarence M. Kelley Diploma Collection
- Classics and Landmarks Collection
- Claude N. Strauser, U.S. Army Corps of Engineers, St. Louis District
- Club Kaycee
- Cold War Confrontation: Truman, Stalin, and the Berlin Airlift, June 1948 - May 1949
- Columbia Missourian 1929, 1969-1975
- Come Home Tigers
- Community and Conflict: the Impact of the Civil War in the Ozarks
- Connor Brochure
- Constance Fauntleroy Runcie Collection
- Cook Bros. Carriage Co. (Jewish Federation-Women's Division), 1897-1904
- Coon-Sanders Nighthawks Orchestra
- Cows on the Lawn
- Crack of the Pistol: Dueling in the 19th Century
- Cuneiform Tablets: Records of Ancient Mesopotamia
- Daily Evening Herald and Commercial Advertiser
- Daily Missouri Republican
- Dallas Bartley, Small Town Boy
- Dave Dexter, Jr. Collection
- Deafness in Disguise
- Decision to Drop the Atomic Bomb
- Depicting Devotion: Illuminated Books of Hours from the Middle Ages
- Devil's Island Paintings
- Diamond Vision, Missouri Tigers on the Field
- Diary of Nancy Holmes Corse
- Domino Danzero Family Photograph Collection
- Dred Scott Case
- Dred Scott: 150th Anniversary Commemoration
- Early Manuscripts by Charlotte Brontë: "The Secret" and "Lily Hart"
- Education Curricula: Exploring the Foundations of Churchill's Leadership
- Education
- Ellinor Dale Runcie Collection
- Equatorial Africa: Material Culture from Peoples of the Congo, Uganda and Kenya
- Establishing the Marshall Plan
- Ethnographic Collection
- Exploring Object Virtual Reality
- Face of the Moon: Galileo to Apollo
- Facsimiles of Manuscripts Illuminated in the British Isles
- Famous Missourians
- Far West
- Fourth of July Speeches
- Fragments From the Botanical Frontier
- Frank and Jesse James Circuit Court Documents
- Frenchtown Postcards
- Frisco: A Look Back at the Saint Louis-San Francisco Railway
- Fruitful Heritage
- Getting Physical: Women's Athletics at MU
- Grayson Archery Collection
- Greenwood Cemetery Funerary Art
- Guadalupe Center Scrapbooks
- Guerrillas and Outlaws
- Guides to Special Collections at Ellis Library - UMC
- Hall?s Index & Items of Genealogical Interest from the Springfield, Greene County, MO Newspapers
- Hamilton Rowan Gamble, 1861 - 1864
- Hancock Lee Jackson, 1857
- Hannibal Clipper
- Hannibal Courier-Post
- Harry H. Laughlin Papers
- Heart of the University: MU Libraries
- Herman T. Pott National Inland Waterways Library
- Hezzie Goes to War: World War I through the Eyes of a Mid-Missourian
- Historic "Blue Book" Photograph Collection
- Historical Postcards of Springfield, Missouri
- Illustrated History of the Missouri Botanical Garden (1800-1920)
- Immigrant Community of Ilasco, Missouri: Cement Company Town 1901-1965
- James Merrill: Other Writings
- Japanese Ivory Carvings
- Johann Leonhard Rost. Atlas Portatilis Coelestis, 1723
- John G. Neihardt: Poet of the American West
- John W. Barriger III National Railroad Library
- Joplin 1902 Picture Booklet
- Joplin 1913 Picture Booklet
- Joplin Historical Postcards
- Joplin Tornado
- Joseph Washington McClurg, 1869-1871
- Journal-Post Photographs
- Journal of Reverend Benjamin Stevens
- Judge Elmo M. Hargrave Photograph Collection
- Kansas City Churches
- Kansas City Journal-Post's Diamond Jubilee Section
- Kansas City Photographs
- Kansas City Postcards
- Kansas City Sheet Music Collection
- Kansas City: Paris of the Plains, the Jazz Age in Kansas City, 1920-40
- Key Resources on 1904 St. Louis World's Fair
- Kirksville Cyclone
- Kirksville Photos by Drake
- Klondike of Missouri
- Korean War: The US Response to North Korea's Invasion of South Korea
- Lasting Impressions: German-Americans in St. Louis
- Laws of the City of St. Louis Government
- Leon Karel Business Forms Collection
- Lewis & Clark Across Missouri
- Lewis & Clark Expedition
- Liberty Banner (March 3, 1844)
- Liberty Tribune
- Life in St. Louis: The Matthews Family 1811 - 2000
- Lincoln and the Dome
- Lincoln University Yearbooks (1915-1975)
- Lindenwood University
- Livingston County History
- Look into the Past of Trenton Missouri and Grundy County
- Louise and Omar Putman Collection
- Main Street
- Man's Best Friend: The Old Drum Story
- Maplewood Historical Photographs
- Maps of Missouri
- Maps
- Marion County Atlas, 1875
- Mark Twain Zephyr Image Collection
- Mary Alice Hansen Postcard Collection
- Masks Around the World
- Max Hunter Collection of Ozark Folk Song
- Medical Journeys
- Medicine in the Jungle: Dr. Thomas Dooley and Earl Rhine in Laos
- Medicine in Times of Need: 21st General Hospital/Base Hospital 21
- Meet Me at the Union
- Mildred Lane Kemper Art Museum at Washington University in St. Louis
- Mineral Area Historic Building Landscape through an Architect's Eyes
- Mining Health Study
- Missouri's Early Slave Laws: A History in Documents
- Missouri Birth & Death Records Database Pre-1910
- Missouri Census Schedules from 1830-1930
- Missouri Civil War Battle Flags
- Missouri Conservationist
- Missouri Coroner's Inquest Database
- Missouri County & Municipal Records on Microfilm
- Missouri County Histories
- Missouri County Plat Books
- Missouri Death Certificates
- Missouri Historical Review
- Missouri Judicial Records
- Missouri Land Records 1820-1969
- Missouri Local Records Inventory Database
- Missouri Memories: A History in Photographs
- Missouri Mormon War
- Missouri Naturalization Records Database (1816-1955)
- Missouri Platbooks
- Missouri Soldier's Database: War of 1812 - WWI
- Missouri State Archives Photograph Collections (1850-present)
- Missouri Supreme Court Historical Database
- Missouri Union Provost Marshal Papers 1861-1866
- Missouri: Its History, Geology, Culture
- Mizzou from the Air
- Mizzou in 1900
- Mizzou on Canvas: A Portrait of Leadership
- Mizzourah! MU Football: The Early Years
- Molas: Textile Art of Panama
- MU in Brick and Mortar
- Museum Archives Catalog
- Musicians Local No. 627 and the Mutual Musicians Foundation: The Cradle of Kansas City Jazz
- Nang: Thai Shadow Puppets
- National Archives & Records Administration - Archival Research Catalog
- National Archives & Records Administration - Central Plains Region Digitized Collections
- Native American & Western Photograph Collection
- Natural History Books
- Nelly Don Collection
- Nineteenth Century Kansas City
- North Atlantic Treaty Organization
- O'Reilly General Hospital of Springfield, Missouri
- Official Manual of the State of Missouri - The Blue Book
- Old Grubstake Days in Joplin
- Old Stagecoach Stop
- Origins and History of the Washington University School of Medicine
- Otomi Cutout Figurines
- Out of This World: The Golden Age of the Celestial Atlas
- Ozarks Digital Library - Black Families of the Ozarks, Volumes 1 and 2
- Ozarks Digital Library - Greene County Missouri, History
- Ozarks Digital Library - Greene County Missouri, Records
- Ozarks Digital Library - Regional Periodicals - Bittersweet
- Ozarks Digital Library - Regional Periodicals - OzarksWatch
- Ozarks Digital Library - Regional Periodicals - White River Valley Historical Quarterly
- Ozarks Digital Library - The Turnbo Manuscripts
- Paper Dinosaurs, 1824-1969
- Papers of James Mickleborough Greenwood 1874 - 1914
- Pegram Ozark Life Collection, Ozark Folklife Project
- Phelps County New Era
- Philip Mills Arnold Semeiology Collection
- Photographs from the Joseph K. Redmond Jr. Collection
- Pioneering Days by Bud Belden
- Plat Books of Jackson County, Missouri
- Politics in Missouri Oral History Collection
- Polk City Directories 1859-1925, Hannibal, MO
- Poplar Bluff History Photo Pages
- Portrait and Biographical Record of St. Charles, Lincoln and Warren Counties
- Postcards from the St. Louis World's Fair & Exposition
- Powerful Grace Lies in Herbs and Plants
- Preserve Louisiana's Images
- Progress Amidst Prejudice: Portraits of African Americans in Missouri (1880-1920)
- Progressive St. Charles 1916
- Propaganda War: World War II Posters
- Quest for the Cure: Care and Treatment in Missouri's First State Mental Hospital
- R.A. Longs City and Country Homes Photograph Album
- Rare Books from the Missouri Botanical Garden Library
- Ravenna Mosaic Company: A Retrospective
- Registre d'Arpentage
- Richard W. Bolling Photograph Collection
- Riches From the Earth
- Robert Askren Photograph Collection
- Robert Marcellus Stewart, 1857-1860
- Rolla Express
- Rolla New Era
- Roman Imperial Coin Portraits
- Sanborn Fire Insurance Maps for Kansas City
- Sanborn Fire Insurance Maps for Missouri
- Savitar - The University of Missouri Yearbook (1895-1903, 1905-1922)
- School Yard Journal
- Shannon County Film Project
- Silas B. Woodson, 1873-1875
- South Central Business Association
- Southern Presbyterian Review Project
- Spiritual Journeys: Books Illustrating the First Two Centuries of Contemplation and Action in the Society of Jesus
- Springfield, Missouri, and Surroundings 1889
- St. Charles Car Company
- St. Charles County Historical Society Archives and Photo Gallery
- St. Charles County in the World War
- St. Charles Postcards
- St. Charles Rugby Owl
- St. Charles Rugby School of Technology
- St. Louis Area Civil War Digitization Project
- St. Louis Christian Advocate
- St. Louis Circuit Court Historical Records Project
- St. Louis Globe Democrat Images
- St. Louis Mayors
- St. Louis Mechanics Liens
- St. Louis Mercantile Library Special Collections
- St. Louis Palladium
- St. Louis Probate Court Digitization Project 1802-1900 (now a part of Missouri's Judicial Records)
- St. Louis Views
- St. Louis Walk of Fame
- Star Atlases
- State Historical Society - The Civil War in Missouri
- State Historical Society of Missouri - Civil War Manuscripts
- State Historical Society of Missouri Art Collection
- State Historical Society of Missouri Editorial Cartoon Collection
- State Historical Society of Missouri Images of Missouri Collection
- Steedman Architectural Collection
- Stephensophia
- Sterling Price, 1853-1857
- Stillwell Murder or A Society Crime by Minnie T. Dawson
- Swekosky-Notre Dame College Collection
- Tatler - The William Jewell College Yearbook
- Terra Incognita
- Thomas Clement Fletcher, 1865-1869
- Ticket to the Past: The First 25 Years of the Missouri State Fair
- Tigers Through the Hoop
- Timeline of Missouri History
- Transportation
- Tri-State Mining Maps
- Truman Administration's Civil Rights Program: The Desegregation of the Armed Forces
- Truman Doctrine and the Beginning of the Cold War
- Truman Library Photograph Collection
- Tycho Brahe. Astronomical Coniectur [A New Star], 1632
- Type Specimens from the Missouri Botanical Garden Herbarium
- UMKC's Book of Gregorian Chant
- United Nations 1945-53: The Development of a World Organization
- United States' Recognition of Israel
- United States Colored Troops in Missouri
- University City Image Collection
- University High School Yearbooks
- University of Missouri Agricultural Experiment Station Publications
- University of Missouri Bulletin Journalism Series
- University of Missouri Libraries Electronic Books
- University of Missouri Sports Posters
- Upset! Truman's Whistle Stop Campaign Remembered
- Victorian Studio Portrait Photograph Collection
- Voices of World War II: Experiences from the Front and the Home Front
- Voyages: Scientific Circumnavigations 1679 - 1859
- Walter C. Richards Photography Collection
- Walter J. Ong Collection
- Ward Parkway "A Grand American Avenue"
- Washington University Papyri Collection
- Washington University School of Medicine Oral History Project
- Welcome to 1890s Kirksville
- Westhoff Photo Collection
- WEW Radio: We Enlighten the World - Saint Louis University and the early days of radio
- What a Piece of Work is Man: Reading the Body in Medieval Manuscripts
- Where the Wilson Meets the James
- Willard Preble Hall, 1864 - 1865
- William Jewell College Histories
- Willis Castle Memorial Photographs
- Women's Work: Portraits of 12 Scientific Illustrators from the 17th to the 21st Century
Missouri seems to have a real dedication to preserving, digitizing and making available its historical materials, and is looking for even more content to offer online:
"...We’re always working to help local organizations digitize their collections and share them online. If you have ideas or suggestions, please send them to mdh@sos.mo.gov