Sort By:
  1. The common crow (Corvus americanus) and its egg-eating habit.
    By: Warren, Benjamin Harry, - Henshaw, Henry W. (Henry Wetherbee),
    Publication info: Scranton,1914.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    View Book
  2. Diseases and enemies of poultry.
    By: Pearson, Leonard, - Warren, Benjamin Harry,
    Publication info: Harrisburg,C.M. Busch, state printer,1897
    Holding Institution: Smithsonian Libraries
    View Book
  3. Diseases of poultry part 1 /
    By: Pearson, Leonard, - Warren, Benjamin Harry,
    Publication info: Harrisburg, Pa. :C.M. Busch, state printer,1897.
    Holding Institution: Penn State University (archive.org)
    View Book
  4. Report on the birds of Pennsylvania : with special reference to the food habits, based on over three thousand stomach examinations /
    By: Pennsylvania. Ornithologist. - Warren, Benjamin Harry,
    Publication info: Harrisburg :E.K. Meyers, State Printer,1888.
    Holding Institution: University of California Libraries (archive.org)
    View Book
  5. Report on the birds of Pennsylvania : with special reference to the food habits, based on over four thousand stomach examinations /
    By: Warren, Benjamin Harry,
    Edition: 2d ed., rev. and augm.
    Publication info: Harrisburg :E.K. Meyers, State Printer,1890.
    Holding Institution: Penn State University (archive.org)
    View Book
  6. Report on the birds of Pennsylvania. With special reference to the food-habits, based on over three thousand stomach examinations.
    By: Pennsylvania. Ornithologist. - Warren, Benjamin Harry,
    Publication info: Harrisburg,E.K. Meyers, State Printer,1888.
    Holding Institution: Smithsonian Libraries
    View Book