Dictionaries for specific purposes (historical)

General

• Behind the name (the etymology and history of first names / the etymology and history of surnames)

English

• Old English dictionaries (separate page)
• French-Old English Dictionary (Fabienne Toupin and Patrick Gettliffe, University of Tours)
• Middle English Dictionary
• Johnson’s Dictionary Online (1755) (University of Central Florida)
• EDD Online (1700-1904) (Joseph Wright’s EDD, Innsbruck University)
• The Historical Thesaurus of English (University of Glasgow) — includes Old English material that is not found in the HTOED on the OED website
• Dictionary of Canadianisms on Historical Principles Online (University of British Columbia)
• Online Etymology Dictionary

Scots

• Dictionary of the Scots Language (DSL) — A Dictionary of the Older Scottish Tongues (DOST) (-1700) and Scottish National Dictionary (SND) (1700-) combined.

French and Anglo-Norman

• Anglo-Norman On-Line Hub (Universities of Aberystwyth and Swansea)
• Dictionnaire du Moyen Français (1330-1500)
• FWE: Franzoesisches Woerterbuch: Eine Darstellung des galloromanischen Sprachschatzes (1922-78, 25 volumes, Basel: Zbinden)