found: Stabilizing Nigeria, 1998:t.p. (The Century Foundation) t.p. verso (Century Foundation, formerly the Twentieth Century Fund)
found: Hazardous crosscurrents, 1999:t.p. (Century Foundation) p. iv (Century Foundation, formerly the Twentieth Century Fund; not for profit & nonpartisan, founded in 1919 and endowed by Edward A. Filene)
found: Archives of New York Public Library, May 21, 2020(Cooperative League formed in 1906, with headquarters in Boston, became Twentieth Century Fund in 1919, headquarters moved to NYC in 1931, was renamed The Century Foundation in 1999)