- National Board of the Young Men's Christian Associations (6)
- National Board of the Young Men's Christian Associations Commission on Interracial Policies and Program (1)
- National Board of the Young Men's Christian Associations Committee on Interracial Advance (1)
- National Board of the Young Men’s Christian Associations (Ymc As) (1)
- National Board of the Young Men’s Christian Associations (Ymca) International Division (2)
- National Conference of Black and Non White Laymen Ymca Laymen and Staff (4)
- National Council of the Young Men's Christian Associations (Ymca) of the United States of America. Foreign Division (2)
- National Council of the Young Men's Christian Associations of the United States of America (1)
- National Federation of Settlements and Neighborhood Center (2)
- National Federation of Settlements and Neighborhood Centers (1)
- National Federation of Settlements and Neighborhood Centers Archives (1)
- National War Work Council, Y. M. C. A. Of the United States (2)
- National War Work Council, ymca Of the United States (2)
- Natural History Minnesota (1)
- New York City Research Project (Deschin Study) (1)
- Newspapers (1)
- Nobel Prizes (1)
- Northrop Memorial Auditorium (1)