Former Owner
- Justin MacCarthy Reagh1
- Lady Frances Bentinck1
- Laurence Claiborne Witten II1
- Lawrence J. Schoenberg2
- Libreria antiquaria Mediolanum1
- Lorenzo Berdute1
- Louis Loewe1
- Luigi Celotti1
- Luis Fernández de Córdoba y Aragón1
- Luis Ordoñez1
- Maggs Bros Ltd3
- Marvin-L. Colker1
- Mary W. T. Dickinson1
- Mayer Sulzberger1
- Milton Fischmann4
- Monastery of Benevívere1
- Paul Riant2
- Pedro García de Montoya1
- Phillip J. Pirages Fine Books & Manuscripts1
- Poor Clares1