- Lloyd, D.--Autograph1
- Lloyd, T.--Autograph1
- Lord’s Supper --Early works to 18001
- Luttrell, Narcissus--Ms. notes.1
- Luttrell, Narcissus--Ownership.1
- MacCallum, Pierre Franc1
- Mallet, David, 1705?-1765.1
- Mark, Saint --Sermons1
- Marsham, John, Sir, 1602-16851
- Medici, D. Chip--Presentation inscription to E. Adams1
- Melville, Herman, 1819-1891 --Ms. notes1
- Moshemii--Autograph.1
- Moshemii--Ms. notes.1
- Mozart, Wolfgang Amadeus, 1756-1791. Don Giovanni. La ci darem la mano1
- Munson, Stephen--Autograph1
- Newman, H1
- Newton, Isaac, Sir, 1642-1727. Principia1
- Northcott, E. J1
- Paiute Indians1
- Paradise, Bethiah --Autograph1
Libraries & Collections
- Arts Library
- Bass Library
- Beinecke Library
- Classics Library
- Divinity Library
- Film Study Center
- Fortunoff Archive
- Humanities Collections
- International Collections
- Law Library
- Lewis Walpole Library
- Library Collection Services
- Manuscripts & Archives
- Map Collection
- Marx Science & Social Science Library
- Medical Library
- Music Library
- Sterling Library
- Yale Center for British Art
