238 rezultate în cadrul Persoană Albrecht Thaer
Albrecht Thaer
German agronomist and an avid supporter of the humus theory for plant nutrition (1752-1828)
Bavarian State Library
Rietschel, Ernst
German Documentation Center for Art History - Marburg Picture Index
German Documentation Center for Art History - Marburg Picture Index
Bavarian State Library
Gericke, Friedrich Karl Gustav
Bavarian State Library
Bavarian State Library
Bavarian State Library
Bavarian State Library
Bavarian State Library
Bavarian State Library
Bavarian State Library
Bavarian State Library
Bavarian State Library
Bavarian State Library
Bavarian State Library
Bavarian State Library
Bavarian State Library
Bavarian State Library
Bavarian State Library
Bavarian State Library
Bavarian State Library
Bavarian State Library