Showing 1 - 5 results of 5 for search 'Leffingwell, Albert, 1845-1916', query time: 0.11s Refine Results
  1. 1
    Illegitimacy and the influence of seasons upon conduct : two studies in demography /
    by Leffingwell, Albert, 1845-1916
    Published 1976
    Book
  2. 2
    The lesson of reform : an address before the American Humane Association, Pittsburg, Pa., October 12, 1900 /
    by Leffingwell, Albert, 1845-1916
    Published 1901
    Microform Book
  3. 3
    An ethical problem : or sidelights upon scientific experimentation on man and animals /
    by Leffingwell, Albert, 1845-1916
    Published 1916
    Book
  4. 4
    An ethical problem : or, Sidelights upon scientific experimentation on man and animals /
    by Leffingwell, Albert, 1845-1916
    Published 1914
    Book
  5. 5
    Animals' rights considered in relation to social progress : with a bibliographical appendix /
    by Salt, Henry S., 1851-1939
    Published 1894
    Other Authors: “...Leffingwell, Albert, 1845-1916...”
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    Book
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