State Library of Massachusetts, Special Collections Dept.
Nelson, Ruth E.; World's Fair (1939 : New York, N.Y.); World's Fair (1964 : New York, N.Y.); Air -- Pollution -- Massachusetts.; Gun control -- Massachusetts.; Mental health policy -- Massachusetts.; Slaughtering and slaughter-houses -- Massachusetts.; Massachusetts. New York World's Fair Commission.; Massachusetts. General Court. Senate. Special Commission on Revision of the Constitution.; Massachusetts. Special Committee to Investigate the Fire at Sherry-Biltmore, Inc.; Massachusetts. Special Commission on Firearms, Paroles, and Related Matters.; Massachusetts. Special Commission on the County Cooperative Extension Program.; Massachusetts. Special Commission on Mental Health.; Massachusetts. General Court. Joint Special Committee on Air Pollution.; Massachusetts. Joint Special Commission on Belchertown State School and Monson State Hospital.; Massachusetts. Special Commission Established to Investigate and Study the Further Regulating of the Slaughtering and Processing of Certain Animals.; Massachusetts. General Court. Special Joint Legislative Committee on State Land Planning Office and Land Bank.; Massachusetts. Governor's Emergency Commission on Food.