Papers of the Michigan Academy of Science, Arts and Letters - Volume II - Bog - Paperback
An annual volume of papers published under the joint direction of the Council of the Academy and of the Executive Board of the Graduate School of the University of Michigan, and edited by Paul S. Welch and Eugene S. McCartney. This volume from 1922 includes an array of papers on Biology, Economics, Geology, Meteorology, Psychology, Sanitary and Medical Science, and Zoology.