Former Owner
- Libreria antiquaria Mediolanum1
- Lorenzo Berdute1
- Lorenzo de Olivera1
- Luis Fernández de Córdoba y Aragón1
- Luis Ordoñez1
- Maggs Bros Ltd1
- Manuel Fernández del Castillo3
- Mario Pedro Arata1
- Marquis of Astorga1
- Martin J. Cooper1
- Mary W. T. Dickinson1
- Milton Fischmann1
- Miriam Lutcher Stark2
- Phillip J. Pirages Fine Books & Manuscripts1
- Poor Clares1
- Robert Dechert1
- Robert Hoe III1
- Robert Samuel Turner1
- Rodrigo de Abejos1
- Rui Garcia1