Sort: Oldest first
 
2006 - WordNet 3.0
By Princeton University
 
1894 - The Clarendon dictionary
By William Hand Browne, Samuel Stehman Haldeman
 
1919 - The Concise Standard Dictionary of the English Language
By James Champlin Fernald
 
1916 - Appleton's medical dictionary
By Smith Ely Jelliffe