A Dual-Source Database of Word Frequencies in Latin compiled by James H. Dee
“Original” Web Archive link:
https://web.archive.org/web/20120623093540/www.uic.edu/las/clas/LF_database.html
PDF version of Dee’s README file:
https://www.4shared.com/s/f8DT1q0O-jq
My cleanup of the data file:
https://www.4shared.com/s/fTb16jk6Cjq
The cleanup is an on-going project.