Place
- Leather1
- Liturgical Music1
- M. Magdalena Schoch (1897-1987)1
- Management committees1
- Meginnei, David1
- Meriam, George and Charles1
- Mount Washington Observatory1
- Mount Withington (N.M.)1
- Muzzey General Store1
- Muzzey, J.A.1
- New York1
- New York (N.Y.)--Commerce1
- New York (State)1
- New York (State). Canal Department1
- New York, New Haven, and Hartford Railroad Company1
- New York, Newfoundland, and London Telegram Company1
- Phi Delta Kappa, Epsilon Omicron Chapter 1
- Photograph albums1
- Prospect Hill Cemetery1
- Recording and registration1