Kayser, Heinrich (1853-1940)(131)
Darmstaedter, Ludwig (1846-1927)(97)
J.C.B. Mohr (Paul Siebeck) (1899-2005)(39)
Breslauer, B. H. (1918-2004)(27)
Martin Breslauer Inc. (New York, NY) (1977-)(26)
Hellmann, Gustav (1854-1939)(24)
Ravenstein, Ernst Georg (1834-1913)(23)
Gesellschaft für Erdkunde zu Berlin (1828-)(20)
Peters, Christian A. F. (1806-1880)(12)
Carus, Julius Victor (1823-1903)(11)
Men & Women of the Time (London)(10)