Friedrich Heer

Revision	When	Who	Comment

7	February 26, 2023	Gustav-Landauer-Bibliothek Witten	add IDs
6	April 4, 2021	Gustav-Landauer-Bibliothek Witten	name, date of birth, links, bio, alternative names
5	April 4, 2021	Gustav-Landauer-Bibliothek Witten	Added new photo
4	April 4, 2021	Gustav-Landauer-Bibliothek Witten	merge authors
3	September 30, 2020	MARC Bot	add ids
2	August 29, 2008	ImportBot	Found a matching record from University of Toronto .
1	April 1, 2008		initial import