Since 1898, Bosworth-Toller's Anglo-Saxon Dictionary has been the primary lexical reference for study of the Anglo-Saxon language. The printed monograph was digitized under the direction of Sean Crist, with funding provided by Joel Dean grants, at Swarthmore College.
A Comprehensive Old-English Dictionary (Borden) - Humanities Reference PE 279 .B48
A Thesaurus of Old English (Roberts & Kay) - Humanities Reference PE 179 .R62x 2000
Dictionary of Old English [microform] - Locked Case PE 279 .D53x 1986 vol. A-E