Vaticano, BAV, Arch.S.Pietro = Biblioteca Apostolica Vaticana [Fondo 'Archivio di San Pietro' = 'Codices Archivii Sancti Petri'], Città del Vaticano, Vatican State
Cosimo Stornajolo, Inventarium codicum manuscriptorum latinorum Archivii Basilicae S. Petri in Vaticano. Vol. 1-3. Typescript 1968 [Vaticano, BAV, consult. mss. 411.1-3 rosso. Fully checked]. Older inventories still remain useful as their authors were more familiar with legal literature than Stornajolo].
Jacobus Grimaldus, Inventarium omnium et singulorum librorum bibliothecae sacrosanctae Basilicae Principis Apostolorum de Urbe ... MS saec. XVI (1598 ss.). [This is an index by subject matters, in two copies: Vaticano, BAV, consult. mss. 404 rosso and 405 rosso. Fully checked. Both copies have different handwritten additions. Shelf marks, however, are usually not given].
Raphael Sindone, Index codicum ac librorum manuscriptorum et typis impressorum bibliothecae sacrosanctae Basilicae Principis Apostolorum, alphabetico ordine digestus. MS saec. XVIII (1727). [Vaticano, BAV, consult. mss. 406 rosso. Fully checked].
F. Cancellieri, De secretariis Basilicae Vaticanae veteris ac Novae. Vol. II, Roma 1786, p. 906-924. [No shelf marks given. Frankfurt, UB, Q 66: 1092. Fully checked]