Antiquae linguae britannicae
Subtitle: nunc vulgò dictae cambrobritannicae, a suis cymraecae vel cambricae,ab aliis wallicae, et lingvae latinae, dictionarium duplex.  Prius britannico-latinum ... Posterius latino-britannicum.  Accesserunt Adagia britannica, & plura & emendatiora, quàm antehàc edita.
Contributors: Williams, Thomas, 1550?-1620.
Publisher: impress. in aedibus R. Young, impensis J. Davies
Published: 1632
Place of publication: Londini
Language: lat
Number of pages: 398
Subjects: Welsh language -- Dictionaries -- Latin.; Latin language -- Dictionaries -- Welsh.
Notes: Edited, and the first part compiled, by John Daives; the second part compiled by Thomas Williams.

The Latin-Welch section is interleaved.