Burr, Chas. W., M.D., Philadelphia, 1891.
Cohen, Solomon Solis-, M.D., Philadelphia, 1889.
Cooke, B. G., M.D., New York, 1888.
Coolidge, Algernon, Jr., M.D., Boston, 1890.
Currier, A. F., M.D., New York, 1888.
Daniels, F. H., A.M., M.D., New York, 1888.
Deale, Henry B., M.D., Washington, 1890, 1891, 1892.
Eshner, A. A., M.D., Philadelphia, 1891.
Gould, George M., M.D. Philadelphia, 1888.
Grandin, Egbert H., M.D., New York, 1888, 1889.