Vermehrung und Entwicklung in Natur und Gesellschaft

Revision	When	Who	Comment

5	August 11, 2020	MARC Bot	remove fake subjects
4	November 5, 2011	WorkBot	merge works
3	April 28, 2010	Open Library Bot	Linked existing covers to the work.
2	January 15, 2010	WorkBot	add subjects and covers
1	December 9, 2009	WorkBot	add works page