Updated quarterly. Covers philosophical and theological writings from Latin Christianity up to the year 1216. Includes bibliographic information from works concerning patristic and monastic thought as well as philological and theological learning, humanistic and ecclesiastical thinking. Contains 221 volumes (the complete electronic version) of the first edition of Jacques-Paul Migne's Patrologia Latina, published between 1844 and 1855, and the four volumes of indexes published between 1862 and 1865. Includes all prefatory material, original texts, critical apparatus and indexes. Migne's column numbers are also there.