The Catalogus Translationum et Commentariorum (Mediaeval and Renaissance Latin Translations and Commentaries: Annotated Lists and Guides). The CTC documents and illuminates the transmission of the ideas, and the influence, of ancient Greek and Latin authors (up to a.d. 600) during the Middle Ages and the Renaissance (up to a.d. 1600). Current volumes offered under open access are: I, II, III, IV, V, VI, VII, VIII, and IX. Volume X will be available after Volume XI is on sale.