Link to FamilySearch catalog entry for Ahnenstamkartei: Ahnenstammkartei Part I [Index] . This collection contains genealogies for Central Europe. A free FamilySearch account is needed to access the collection. See article on how to use this collection in the German Genealogical Digest.
Link to FamilySearch catalog entry for Ahnenstammkartei Part II [Numerical Listing of Pedigees]
See also Mappenstucke at this link: https://www.familysearch.org/en/search/catalog/706307 [Restricted to FamilySearch centers].
See https://recherche-stadtarchiv.leipzig.de/actaproweb/index.xhtml/
See link: https://www.archiv.sachsen.de/cps/suche.html?q=ahnenstammkartei