Universitätsbibliothek Heidelberg, Heid. Hs. 3695 EF 70,16 Frost, Edwin Brant; Yerkes Observatory; Wolf, Max [Recp.]
Briefe von Edwin Brant Frost an Max Wolf: Karte von Edwin Brant Frost von Yerkes Observatory an Max Wolf
— Williams Bay, Wisconsin, 3.4.1924
Cite this page
Please cite this page by using the following permalink (PURL)