This catalog describes 24 manuscripts from the Collection of Thomas Ryburn Buchanan presented to the Bodleian in 1939 and 1941. The collection consists primarily of late Medieval devotional books from France, the Netherlands, and Renaissance Italy. It includes Books of Hours, a Bridgettine Breviary, a Milanese Breviary, a ferial Psalter, a Psalter from around 1300, and three Italian humanistic texts. The catalog gives detailed descriptions of the texts, illumination, and codicological characteristics of each manuscript.