McDonald, Willis G., M.D., Albany, 1890.
Penrose, Chas. B., M.D., Philadelphia, 1890.
Powell, W. M., M.D., Atlantic City, 1889, 1890, 1891, 1892.
Quimby, Chas. E., M.D., New York, 1889.
Rau, Leonard S., M.D., New York, 1892.
Sayre, R. H., M.D., New York, 1890, 1891, 1892.
Smith, Allen J., A.M., M.D., Philadelphia, 1889, 1890.
Stengel, Alfred, M.D., Philadelphia, 1892.
Vickery, H. F., M.D., Boston, 1891, 1892.
Warfield, Ridgely B., M.D., Baltimore, 1891, 1892.