Publication Year:"1909" Remove Subject:"Marshall, William (B.S. Michigan U. 1897, M.S. 1898, Ph.D. Zurich U., 1908" Remove Subject:"Marshall, William (B.S. Michigan U. 1897, M.S. 1898, Ph.D. Zurich U., 1908" Remove Subject:"Marshall, William (B.S. Michigan U. 1897, M.S. 1898, Ph.D. Zurich U., 1908" Remove