Correspondents include Margaret P. Givens, John Lee Carroll, John Shaw Billings, J. W. Holland, George Otto Trevelyan, T. R. Lounsbury, Louisa E. Lawrence, Joseph Packard, Hideyo Noguchi, Walter F. Atlee, Elisha Root, [Valentin] Magnan (in French), William Osler (recipient), T. Lauder Brunton, Solomon Solis Cohen (typescript copy, addressed to William Osler), Kate Cabill Claiborne, James Fairchild Hudson, and Worthington Chauncey Ford.