found: Environmental Defense Fund. Malignant neglect, 1979 (a.e.)t.p. (Robert H. Boyle) CIP data sheet (Robert Boyle, b. 1928)
found: His Fly-tyer's almanac, c1975:t.p. (Robert H. Boyle) p. 229 (senior writer for Sports Ill., author of The Hudson River)
found: Tel. call to Vintage Bks 9/14/79(Robert H. Boyle is the author of Malignant neglect, and The Hudson River)
found: Bass boss, 1999:CIP t.p. (Robert H. Boyle) data sheet (Robert Hamilton Boyle)
found: New York times WWW site, viewed May 23, 2017(in obituary published May 22: Robert H. Boyle; b. Robert Hamilton Boyle Jr., Aug. 21, 1928, Brooklyn; grew up in Murray Hill, Manhattan; d. Friday [May 19, 2017], Cooperstown, N.Y., aged 88; sportswriter and angler who became the unofficial guardian of the Hudson River as a crusading conservationist and a founder of a widely replicated watchdog group called Riverkeeper)