(LADD, Harry S., chairman) books & textbook

Report of the Committee on a Treatise on Marine Ecology and Paleoecology, 1950-1951, December, 1951, No. 11

(LADD, Harry S., chairman)

National Research Council /1951T Paperback

Report of the Committee on a Treatise on Marine Ecology and Paleoecology, 1949-1950, November, 1950, No. 10

(LADD, Harry S., chairman)

National Research Council /1951T Paperback