Chapin Robert Chesebrough Joseph Hodges Choate Bobby ClarkHoraceF. Clark Huguette Clark William A. Clark Henry Clews George M. Cohan Barron Collier Ida Conquest
(1871–1872) HoraceF. Clark (1872–1873) John Duff (1873–1874) Sidney Dillon (1874–1884) Charles F. Adams (1884–1890) Sidney Dillon (1890–1892) S.H.H. Clark (1890–1898)
George II Memórias do reinado de George III Letters of Horace Walpole, Earl of Orford, to Sir Horace Mann: His ... 1. Philadelphia: Lea & Blanchard. 1844
Woodward 1907: William Johnson Sollas 1908: Paul Heinrich von Groth 1909: Horace Bolingbroke Woodward 1910: William Berryman Scott 1911: Waldemar Christopher