An article describing the collection is filed in Folder I of the box of study prints in the Archives:

Flint, Linda J., "Preserving Photos as a Historical Resource: the Howes Brothers' Photography," U.S. Dept. of the Interior, Heritage Conservation and Recreation Service, 11593: Information Related to Responsibilities of the Secretary of Interior, vol. 5 no. 2 (June 1980), pp. 11-13.

See also: Alan Newman, ed., New England Reflections, 1882-1907: Photographs by the Howes Brothers (Pantheon Books, 1981)