Wolf, Max(458)
Barnard, Edward Emerson (1857-1923)(50)
Holden, Edward S. (1846-1914)(32)
Turner, Herbert Hall(31)
Campbell, William Wallace(18)
Weitere einblenden
University of Oxford. Observatory(37)
Lick Observatory(27)
Mount Wilson Solar Observatory, Carnegie Institute of Washington(16)
The British Astronomical Association (London)(11)
Yale University. Observatory(8)
Universitätsbibliothek Heidelberg(458)
Adressat(458)
Aufbewahrungsort(458)
Verfasser(458)
Behandelt(3)
Brief (458)
Visitenkarte(1)
London(60)
Mount Hamilton(49)
Oxford(48)
Williams Bay, Wis.(45)
Cambridge, Mass.(16)