Author
Cahill, Thomas
2
Draper, John William, 1811-1882
2
Šprinc, Mikuláš
2
Altamira, Rafael, 1866-1951
1
Center for American Places
1
Chamberlain, Houston Stewart, 1855-1927
1
Chapman, Charles E. 1880-1941
1
Chapman, Stanley H.
1
Condorcet, Jean-Antoine-Nicolas de Caritat, marquis de, 1743-1794
1
Estaville, Lawrence E.
1
Kallen, Horace Meyer, 1882-1974
1
Kuehnemann, Eugen, 1868-
1
Lees, John
1
Nostrand, Richard L. 1939-
1
Patten, Simon N. 1852-1922
1
Royal Institute of International Affairs
1
Schneider, Herbert Wallace, 1892-
1
Somervell, D. C. 1885-1965,
1
Toynbee, Arnold Joseph, 1889-1975
1
Toynbee, Arnold, 1889-1975,
1