Biology and the Life of Life

Between 1946 and 1950, or even possibly between 1936 and 1940. Manuscript of 19 pp. One page with a German hymn added. Typescript by L. van der Molen, 5 pp. Rauner Library, Dartmouth College. Unpublished. Reel 8, Item 404; Reel 8, Item 433. – 1946