Authors: 1900
- Scribner, B. F. (Benjamin Franklin) 1825-1900
- Sherman, John 1823-1900
- Sidgwick, Henry 1838-1900
- Sirven, Alfred 1838-1900
- Steevens, G. W. (George Warrington) 1869-1900
- Sterrett, Virginia Frances 1900-1931
- Stevenson, Robert Alan Mowbray 1847-1900
- Stewart, James 1811-1900
- Stirling, William -1900
- Sullivan, Arthur 1842-1900
- Sulman, T. (Thomas) -1900
- Swan, James G. 1818-1900
- Symons, G. J. (George James) 1838-1900
- Thompson, Richard W. (Richard Wigginton) 1809-1900
- Törmälä, Emanuel 1849-1900
- Townsend, George Fyler 1814-1900
- Traill, H. D. (Henry Duff) 1842-1900
- Tuer, Andrew White 1838-1900
- Tyler, Moses Coit 1835-1900
- Véron, Pierre 1833-1900
- Viljanen, Lauri 1900-1984
- Wakeman, W. F. (William Frederick) 1822-1900
- Warner, Charles Dudley 1829-1900
- Wellby, M. S. (Montagu Sinclair) 1866-1900
- Wells, David Dwight 1868-1900
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