Hellstrom, Sigfrid (1949, 3 letters) Henningsen, Mrs. Harold Gordon (1952, 2 letters) Herbert, Fred W. (1949, 1 letter) Herbst, Fred P. (1932–1933, 9 letters) Herbst, otto (1957, 1 letter) Herre, Dr. Albert W. (1957, 2 letters) Herre, H. (1950, 1 letter) Herter, G. (1948, 1 letter) Heslot, henri (1948–1951, 5 letters) Higgins, Ernest (1947, 1 letter) Hilton, Ronald (1950, 1 letter) Hiorth, Gunnar (1950, 3 letters) Hitchcock, Dr. C.L. (1949, 1 letter) Hjersman, Henry (1949, 2 letters) Hodgson, Robert W. (1957, 3 letters) Holtsmark, Capt. J. D. (1951–1957, 3 letters) Hoog, Th. (1953, 2 letters) Horn, Charles H. (1957, 2 letters) Horning, Dr. Eric (1950, 6 letters) Horton, Bob (1949, 2 letters) Horton, O. B. (1953, 1 letter) Hottes, Alfred C. (1948, 2 letters) Hougardy, Mrs. A. (1951, 1 letter) Houssay, Bernardo A. (1955, 1 letter) Hoyoa, Count Rudolf (1956, 1 letter) Hubbard, William B. (1948, 1 letter) Hudson, G.M. (1949, 1 letter) Hudson, Roy (1956, 1 letter)