Houghton Library. (1987). Catalogue of manuscripts in the Houghton Library, Harvard University. Chadwyck-Healey.
Chicago-Zitierstil (17. Ausg.)Houghton Library. Catalogue of Manuscripts in the Houghton Library, Harvard University. Alexandria: Chadwyck-Healey, 1987.
MLA-Zitierstil (9. Ausg.)Houghton Library. Catalogue of Manuscripts in the Houghton Library, Harvard University. Chadwyck-Healey, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.