Rev. Doctor Ballard, Secretary of the Maine Historical Society.
S. F. Haven, Librarian of the American Antiquarian Society.
H. A. Holmes, State Librarian, Albany.
E. B. O'Callaghan, LL.D.
J. Gilmary Shea, LL.D., New York City.
Doctor E. H. Davis, the Ethnologist.
Doctor D. G. Brinton, Westchester, Penn.
J. Wingate Thornton, Boston.
Professor George W. Greene, of Rhode Island.
Hon. William Willis, Portland, Me.