Manuscripts, subject files, index cards, printed materials and microfilms relating to the CATALOGUS TRANSLATIONUM ET COMMENTARIORUM. The two manuscripts are contemporary and deal with the letters of St. Basil. The subject files include correspondence, notes, and printed materials providing largely biographical information on a wide range of medieval translators and commentators. The index cards list the present day locations of many relevant medieval and renaissance books and manuscripts. The printed materials include photostatic copies and negatives of medieval texts as well as catalog listings of and articles about these texts and their authors. The microfilms, some of which are negatives, are of some of the relevant medieval and renaissance works