1. Birds at sea. Atlantic Monthly, 678–681, May 1938.
2. Observations on herring gull soaring. Auk, 57, 219–224,1940.
3. Convection and soaring over the open ocean.J. Mar. Res., 3, 248–253, 1940.
4. Soaring over the open sea. Sci. Monthly, 55, 226–232,1942.
5. A theory of surface water motion deduced from the wind-induced motion of the Physalia. J. Mar. Res., 5, 196–205, 1944.