ARCHIVE or ARCHIVES: (1) a place where public or historical documents are stored; also the material preserved. (2) A repository or collection, especially of information.
Family History Research in the Landesarchiv
See Landesarchiv Baden-Württemberg
Link to Findbuch L 10 Badische Standesbücher in Karlsruhe: http://www.landesarchiv-bw.de/plink/?f=5-524179
Do an online search for names, places, or subject in Landesarchiv Baden-Wuerttemberg at this link:
Search for Online sources in Landesarchiv Baden-Wurttemberg. https://www2.landesarchiv-bw.de/ofs21/suche/findbuecher_mit_digitalisaten.php In Search box type "Auswanderer" for various digitized sources for emigration.