A notebook of the historian Pierre Le Baud (d. 1505), which contains a collection of historical as well as hagiographic materials and notes.
- s. xvex
A compilation of 22 items concerning Jansenism and the Jesuits.
- s. xviii1
- s. xv (?)
A manuscript of the Irish Life of Colmán of Lann (Betha Colmáin maic Lúacháin).
- s. xv
- s. xiii/xiv (?)
Manuscript (2 vols) written by Le Pelletier for use in compiling his dictionary, which was published, posthumously, in 1752. In addition to the dictionary, it also includes transcripts of Breton-language materials he consulted, including unique copies of some Middle Breton literary texts.
- , Louis Le Pelletier