| The Lessons of the Academy | | February | 08 | 1983 | May | 29 | 1983 |
| The Life of the Virgin in Prints | | December | 07 | 1954 | January | 02 | 1955 |
| The Lithographs of Jean Dubuffet | | December | 19 | 1999 | February | 27 | 2000 |
| The Lost Wax Process | | December | 14 | 1965 | March | 27 | 1966 |
| The Lure of Italy: American Artists and the Italian Experience 1760-1914 | Link | February | 03 | 1993 | April | 11 | 1993 |
| The Lure of Painted Poetry | Link | March | 27 | 2011 | August | 28 | 2011 |
| The Magic Garden of Josef Sudek | | December | 07 | 1988 | January | 29 | 1989 |
| The Magic of Still Life | | November | 04 | 1986 | March | 08 | 1987 |
| The Making of a Contemporary Film: The Adventures of Tom Sawyer | | November | 02 | 1939 | December | 03 | 1939 |
| The Materials of the Artist | | March | 04 | 1958 | December | 23 | 1958 |
| The Maurice Prendergast Memorial Exhibition | | January | 16 | 1926 | February | 15 | 1926 |
| The Max Bohm Memorial Exhibition | | March | 26 | 1925 | April | 20 | 1925 |
| The Medici Prints | | December | 19 | 1924 | February | 26 | 1925 |
| The Medieval World | | February | 05 | 1948 | March | 02 | 1948 |
| The Memorial Exhibition of the Works of Max Kalish and Alexander Warshawsky | | October | 09 | 1946 | November | 17 | 1946 |
| The Milieu of Edvard Munch | | May | 05 | 1977 | June | 05 | 1977 |
| The Model Wife | Link | May | 27 | 2001 | August | 05 | 2001 |
| The Monet Triptych: Water Lilies | | September | 18 | 1979 | February | 17 | 1980 |
| The Most Remarkable Scenery: Thomas Moran's Watercolors of the American West | | August | 05 | 1980 | October | 05 | 1980 |
| The Mr. and Mrs. Lewis B. Williams Collection of Dutch and Flemish Little Masters | | November | 02 | 1944 | December | 03 | 1944 |
