found: NUCMC data from Swarthmore College Peace Collection for Its Collected materials, 1828-1956 (American Peace Society; APS; assoc. of several regional peace societies, formed in 1828 by William Ladd; located initially in New York, moved to Hartford, Conn., in 1835, to Boston in 1837, and to Washington, D.C., in 1911)
found: Guide to the Swarthmore College Peace Collection, 2nd ed., 1981: p. 49 (New York Peace Society, founded 1815, joined with other peace groups to form the American Peace Society in 1828)
found: NUCMC data from Swarthmore College Peace Collection for Massachusetts Peace Society (1911-1917) Records, 1911-1917 (first Massachusetts Peace Society fd. 1815, by 1845 had been absorbed completely by APS)
American Peace Society
