Authors: 1968
- Washburne, Carleton 1889-1968 477 downloads
- Marshall, Arthur 1873-1968 456 downloads
- Crawford, Jack Randall 1878-1968 445 downloads
- Parker, William Riley 1906-1968 440 downloads
- Tree, Iris 1897-1968 419 downloads
- Bingham, Millicent Todd 1880-1968 409 downloads
- Kallio, Niilo 1890-1968 401 downloads
- Ingersoll, Will E. (William Ernest) 1879-1968 383 downloads
- Menéndez Pidal, Ramón 1869-1968 382 downloads
- Bidder, H. F. (Harold Francis) 1875-1968 376 downloads
- Treganza, Adan E. (Adan Eduardo) 1916-1968 361 downloads
- Kesäniemi, Helena 1878-1968 356 downloads
- Zweig, Arnold 1887-1968 353 downloads
- Enright, Elizabeth 1909-1968 351 downloads
- Newcomb, Rexford 1886-1968 344 downloads
- Ingerson, Frank 1879-1968 340 downloads
- Spencer-Cooper, Henry Edmund Harvey 1884-1968 335 downloads
- Mokveld, L. (Lambertus) 1890-1968 331 downloads
- Poling, Daniel A. (Daniel Alfred) 1884-1968 323 downloads
- Conwell-Evans, T. P. (Thomas Philip) 1891-1968 314 downloads
- De Carlo, Camillo 1892-1968 311 downloads
- Romero de Terreros, Manuel, marqués de San Francisco 1880-1968 295 downloads
- Frueh, Alfred Joseph 1880-1968 290 downloads
- Trautner, Eduard 1890-1968 288 downloads
- Simmonds, W. G. (William George) 1876-1968 286 downloads
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