Home > Browse Subjects > Ellerman, Ferdinand, 1869-1940
8 results.
Halley's comet (1P/1909 R1 1910 II 1909c) 28:3157 (2008-003)Series VI: Yerkes Observatory
Halley's comet (1P/1909 R1 1910 II 1909c) 28:3158 (2008-003)Series VI: Yerkes Observatory
Informal 9:3058 (2008-003)Series VI: Yerkes Observatory
Group 4:1125 (2008-003)Series VI: Yerkes Observatory
Conference, 1910 47:7 (2008-003)Series VI: Yerkes Observatory
Group photograph, 1906 5:2569 (2008-003)Series VI: Yerkes Observatory
Group photograph, 1898 4:1111a (2008-003)Series VI: Yerkes Observatory
Group photograph, 1898 53:1126 (2008-003)Series VI: Yerkes Observatory