Arbeitskreis Familien- und Ahnenforschung e. V. Geislingen: https://www.afagev.de/. Covers these areas: Geislingen (2) Steige, Heidenheim, Blaubeuren, Ulm, and Göppingen. They have an extensive list of old occupations and diseases, an emigration database, etc. Note: Database can be searched using the user name: AFAGGast Password: Gast.
Note: A 1000-page history of Bartholomä is to be published in 2018.