Katz, Viktor (1880–1940)
Carter, Howard (1873–1939)
Hegi, Gustav (1876–1932)
Frobenius, Leo (1873–1938)
Amelung, Walther (1865–1927)
Bushnell, David Ives (1875–1941)
Jacobs, Friedrich Christian Wilhelm (1764–1847)
Papiernik, Piotr
Mooney, James (1861–1921)
Baedeker, Karl (1801–1859)
Hegi, Gustav (1876–1932)
Hegi, Gustav (1876–1932)
Hegi, Gustav (1876–1932)