found: nuc86-27201: His Geoffrey Hendricks, c1984(hdg. on WU rept.: Hendricks, Geoffrey; usage: Geoffrey Hendricks)
found: LC data base, 5/14/86(hdg.: Hendricks, Geoff.; usage: Geoffrey Hendricks)
found: Fluxus East website, viewed December 4, 2017(Geoffrey Hendricks; born 1931, Littletown, New Hampshire; taught at Rutgers University, 1956-2003; has close links to Fluxus from the mid-1960s onwards)
found: New York times WWW site, viewed May 23, 2018(in obituary published May 22: Geoffrey Hendricks; b. July 30, 1931, Littleton, N.H.; d. May 12, Manhattan, aged 86; artist who was part of the boundary-stretching Fluxus movement)