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  1. The apple and thorn skeletonizer /
    By: Porter, B. A. - Garman, Philip,
    Publication info: [New Haven] :Connecticut Agricultural Experiment Station,1923.
    Contributed by: University of Connecticut Libraries (archive.org)
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  2. The bud moth /
    By: Porter, B. A.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1924.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  3. The cankerworms /
    By: Porter, B. A. - Alden, Charles H.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1924.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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