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  1. Birds of Pennsylvania. Provisional list, including natives, permanent residents, winter residents, spring and fall migrants, occasional visitants and "stragglers" or accidental visitants.
    By: Warren, Benjamin Harry,
    Publication info: [n.d.]
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
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  2. Diseases and enemies of poultry /
    By: Pearson, Leonard, - Warren, Benjamin Harry,
    Publication info: [Harrisburg, Pa.] :C.M. Busch,1897.
    Holding Institution: University of California Libraries (
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  3. Report on the birds of Pennsylvania; with special reference to the food habits, based on over four thousand stomach examinations,
    By: Pennsylvania. Ornithologist. - Warren, Benjamin Harry,
    Edition: 2d ed., rev. and augm.
    Publication info: Harrisburg,E.K. Meyers, State Printer,1890.
    Holding Institution: Smithsonian Libraries
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