The Grey Friars in Oxford

by A. G. Little

From this it is clear that William died before 1310.

Some of his writings are extant in MS.

Summa Fratris Gul. de Mara contra D. Thomam.

MS. Venice:—Bibl. S. Anton. in Pluteo xix (Tomasin).

Correctorium Fratris Gul. de Mera ... secundum dicta D. Thomae de Aquino contra correctorium Fratris Joannis (?) de Crapuel Ordinis Praedicatorum—perhaps the printed Defensorium seu Correctorium.

MS. ibid. in Pluteo xviii.

Quaestiones de natura virtutis, by ‘Gulielmus de le Maire, ordinis Minorum.’

MS. Brit. Museum:—Burney 358 (sec. xiv)—mutilated at the beginning.

Sermo Fratris Guillermi de la Mare regentis in Theologia. (On St. Peter.) Inc. ‘Precurrens ascendit in arborem sycomorum.... Fratres orate ut sermo Dei currat et clarificetur.’

MS. Troyes, 1788 (sec. xiv).