An article written by L.C. Pearson and W.E. Pearson called "Miocene Plant Fossils of the Carmen Formation" for the Journal of the Idaho Academy of Science
A reprinted copy of "Genetic Segregation in Autotetraploid Plants" by L.C. Pearson. The article was originally published in the Journal of the Idaho Academy of Science (Vol. 2, No. 1, pages 15-25) in April 1961