Author
Feiler, Arthur 1879-1942
2
Goldberger, Ludwig Max
2
Allen, Frederick Lewis 1890-1954
1
Caritat, Hocquet
1
Dietrich, Bruno
1
Dietrich, Bruno 1886-1946
1
Faulkner, Harold Underwood 1890-1968
1
Fischer, Walther
1
Fish, Carl Russell
1
Fish, Carl Russell 1876-1932
1
Nevins, Allan 1890-1971
1
Ratzel, Friedrich
1
Scherff, Julius
1
Siegfried, André 1875-1959
1