- s. xviex
- s. xviin
- s. xviiin
- c. 1460-1500
- Gutun Owain
English manuscript compilation of Latin materials on computus, mathematics and other medieval sciences.
- c. 1110
A manuscript from the library of Reims which was consulted by Johann Wilhelm Jan when he prepared an edition of the Praefatio and Prologus attributed to Felix Gillitanus (publ. 1718) but which now appears to be lost.
- ?