Sort By:
  1. The effect of the age of sire and dam on the quality of offspring in dairy cows... by Charles Loring Allen.
    By: Allen, Charles Loring,
    Publication info: Washington, D. C.,1922.
    Contributed by: Library of Congress
    View Book
  2. The effect of the age of sire and dam on the quality of offspring in dairy cows ... by Charles Loring Allen ...
    By: Allen, Charles Loring,
    Publication info: Washington, D.C.,1922
    Contributed by: University of California Libraries (archive.org)
    View Book