Cohen, Solomon Solis-, A.M., M.D., Philadelphia, 1890, 1891.
Cryer, H. M., M.D., Philadelphia, 1889.
Deale, Henry B., M.D., Washington, 1891.
Dolley, C. S., M.D., Philadelphia, 1889, 1890, 1891.
Dollinger, Julius, M.D., Philadelphia, 1889.
Dorland, W. A., M.D., Philadelphia, 1891, 1892.
Eshner, A. A., M.D., Philadelphia, 1892.
Freeman, Leonard, M.D., Cincinnati, 1891, 1892.
Fuller, Eugene, M.D., New York, 1892.
Goodell, W. Constantine, M.D., Philadelphia, 1888, 1889, 1890.