These dictionaries and glossary maybe helpful in translating some of the facsimiles or transcriptions of the original manuscripts.
French, English and Latin dictionaries
The Middle English Compendium contains three Middle English electronic resources: the Middle English Dictionary, a Bibliography of Middle English prose and verse, and a Corpus of Middle English Prose and Verse.
LEME searches and displays word-entries from monolingual English dictionaries, bilingual lexicons, technical vocabularies, and other encyclopedic-lexical works, 1480-1755
Provides translation into Modern French
This is a listing of culinary definitions for words found in historical recipes.
Spanish Dictionary first appeared in 1599 with word search feature.
Grammatic-Critical Dictionary of High German Dialect
This facsimile was assembled from two facsimiles (one and two) in the French National Library. First published 1611.
Florio's 1611 Italian/English Dictionary
Middle High German Dictionary for ordinary use
The goal of the Middle English Dictionary is to include all meanings, grammatical forms, and spellings of all the words identified by its extensive reading program.
Middle High German Dictionary
This book is planned for an introductory course in Anglo Saxon The glossary has been constructed so as both to facilitate the use of a grammar and to reduce the necessity of grammatical notes.
Published in 1854 but includes references to pre 17th century uses. Roughly the equivalent to the Oxford English Dictionary (OED). Plant and animal names are often translated into Latin.
Searchable dictionary of French from the 9th to 15th centuries
Midlle Low German Manual Dictionary