Coffin, Tristram Potter, 1922-2012 (Personal Name)
His The British traditional ballad in North America, 1950.
Folklore in America, 1986, c1966: CIP t.p. (Tristram P. Coffin)
New York times WWW site, Feb. 14, 2012 (in obituary published Feb. 13: Tristram P. Coffin; b. Tristram Potter Coffin, Feb. 13, 1922, San Marino, Calif.; d. Jan. 31, Wakefield, R.I., aged 89; folklorist who unearthed worlds of meaning in the ordinary rituals of which nearly every American partakes, including holidays, baseball, and sex)