Inventario General de Manuscritos de la Biblioteca Nacional. Vol.I-IX, Madrid 1953-1970. [Frankfurt, UB, HB 22: Fm 25]. [Würzburg, UB, Hbh VII 2821] [Checked for Roman law only]
J.M. Rocamora. Catálogo abreviado de los manuscritos de la Biblioteca del Excmo. Señor Duque de Osuna e Infantado. Madrid 1882. [Paris, Institut de Recherche. Im dortigen Exemplar sind am Rand die jetzigen Signaturen der Biblioteca Nacional nachgetragen] [Checked for Roman law only]
J. M. Fernández Pomar, La colección de Uceda de la Biblioteca Nacional. Nueva edición del catálogo de manuscritos. Helmantica, Revista de humanidades clásicas 27 (Salamanca 1976), 475-518 [Checked for Roman law only]
[Card file of shelf marks beyond the printed catalogues exists]. [In 1976 this card file terminated at shelfmark 18054, but it skipped many numbers. For instance, between n.11251 and 18054 only 600 shelf marks had a card in the card file
[Card file by authors and titles for MSS beyond the printed catalogues] [Only spot-checked]
[Old catalogue for the library of the Duque de Osuna (printed)] [Not yet checked]
[Catalogue for the old Biblioteca Real, and other old fonds (3 vols., handwritten), with concordances to old shelf marks and to current ones] [Not yet checked]
