G.S. Manz, 1873. Eubel, C. Hierarchia catholica medii aevi. Monasterii, sumptibus et typis Librariae Regensbergianae, 1913-1935. Regesta pontificum Romanorum, . An index to medieval writers, alphabetized by author.
Lists mss., editions and translations.
Repertorium fontium historiae medii aevi, . Far more detailed, but still incomplete - only goes to K. Sawicki, J. Bibliographia synodorum particularium, . Monumenta iuris canonici. Chevalier, C.U. Repertoire des sources historiques du moyen age. Societe bibliographique, 1877-1903.