Diseases and Enemies of Poultry

Essentials of Milk Hygiene ... Translated and Amplified by Leonard Pearson ... Illustrated

by Carl Oluf JENSEN, Leonard PEARSON (State Veterinarian of Pennssylvania.)

1907

Special Report on Diseases of Cattle

by Leonard Pearson, United States. Bureau of Animal Industry, Brayton Howard Ransom, James Law, Richard W. Hickman, Dr. Woodward, Dr. Dickson, John R. Mohler, A. Eichhorn, A. J. Murray, C. Dwight Marsh, Lowe,, V. T. Atkinson, M. R. Trumbower

2021

The Scientific Basis for Conserving Forest Carnivores

by Leonard F. Ruggiero

1994

Essentials of Milk Hygiene ... Translated and Amplified by Leonard Pearson ... Second Edition - Revised. Illustrated

by Carl Oluf JENSEN, Leonard PEARSON (State Veterinarian of Pennssylvania.)

1910