Saving the orphan pigs
Evvard, J.M., Glatfelter, G.B.
Saving the orphan pigs - Ames 1922 - 1-11 p. - Pigs Iowa Agricultural Experiment Station. Circular No. 80 .
Saving the orphan pigs - Ames 1922 - 1-11 p. - Pigs Iowa Agricultural Experiment Station. Circular No. 80 .