1. Saint Louis University, VFL MS 061 DS ID: DS10046 Title: De medicina equorum Author: Giordano Ruffo Place: Italy Date: ca. 1350].
2. Ohio State University, Spec.Rare.MS.MR.Frag.117 DS ID: DS11536 Title: De medicina equorum Author: Giordano Ruffo Place: Italy Date: ca. 1350