Address books
Digitized address books for Stettin appear at this link
Church Records
Marriage indexes for Stettin can be found in Source 4.
Civil Registration Records
Extracts from Stettin Civil Registration records online at: http://pommern-stettin-documents.blogspot.com/
Stettin civil registration records include many of the outlying areas. See article in blog to locate the proper registration district to search: http://pommerscher-greif.de/standesamt-stettin.html
ONLINE RECORDS FOR STETTIN: Archiwum Panstwowe w Szczecin
Die Schwedische Landesaufnahme von Vorpommern. [FHL 943.81 R2d Vol. 3 part 3].