Humboldt, Alexander von (1769-1859)(16)
Brandeis, Samuel (1820-1895) [vermutlich](1)
Humboldt, Alexander von (1769-1859) [vermutlich](1)
International Information Centre of Birth Control(1)
International Studies Conference(1)
Jaskuła, Zdzisław (1951-2015)(1)
Jomard, Edme François (1777-)(1)
Kuczynski, Robert René (1876-1947)(1)