10223. Harvard University, MS Typ 180 Title: Office of the Dead Author: Catholic Church Date: ca. 1420
10226. Harvard University, MS Lat 121 Title: Speculum humanae salvationis Date: between 1400 and 1450
10227. Harvard University, MS Typ 187 Title: El arte de escrevir todas las formas i generos de letras Author: Alonso Martin del Canto Date: 1544.