Place
- Maltese, Serphin R.1
- Marck, Siegfried, 1889-19571
- Marcu, Valeriu, 1899-19421
- Meginnei, David1
- Menands (N.Y.)1
- Meteorology1
- Mexico--Photographs1
- Minnesota--Chisholm1
- Mount Greylock (Mass.)1
- Mount Washington (N.H.)1
- Mount Withington (N.M.)1
- New York1
- New York (N.Y.)--Photographs1
- New York (State)--20th century1
- New York (State). Legislature. Assembly1
- New York (State). Legislature. Joint Legislative Committee on Preservation and Restoration of Historic Sites1
- New York (State)—Politics and government1
- New York State New York (State)--Politics and government.1
- New York, New Haven, and Hartford Railroad Company1
- Newburgh (N.Y.)1