Authors: 1968
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- Parker, William Riley 1906-1968
- Peyton, Green 1907-1968
- Pole Evans, I. B. (Illtyd Buller) 1879-1968
- Poling, Daniel A. (Daniel Alfred) 1884-1968
- Reed, Ivy Kellerman 1877-1968
- Romero de Terreros, Manuel, marqués de San Francisco 1880-1968
- Sackett, Walter G. (Walter George) 1880-1968
- Schoonmaker, Oliver 1882-1968
- Simmonds, W. G. (William George) 1876-1968
- Sinclair, Upton 1878-1968
- Soros, Tivadar 1894-1968
- Spencer-Cooper, Henry Edmund Harvey 1884-1968
- Sweetser, Arthur 1888-1968
- Taylor, Vincent 1887-1968
- Tinker, Edward Larocque 1881-1968
- Townsend, John Wilson 1885-1968
- Trautner, Eduard 1890-1968
- Tree, Iris 1897-1968
- Treganza, Adan E. (Adan Eduardo) 1916-1968
- Vincent, Harl 1893-1968
- Washburne, Carleton 1889-1968
- Widgery, Alban G. (Alban Gregory) 1887-1968
- Yeatman, Robert Julian 1897-1968
- Zweig, Arnold 1887-1968