found: Ukr. rad. ent͡sykl., 1981, v. 6 (Mazepa, Ivan Stepanovych; hetʹman Livoberez͡hnoï Ukraïny 1687-1708)
found: Encyc. of Ukraine, 1993 v. 3 (Mazepa, Ivan, b 20 March 1639 ... d 2 October 1709; Hetman of Ukraine in 1687-1709)
found: Encyk. Powszechna: v. 7, p. 157 (Mazepa, Iwan, Hetman kozacki (1644?-10-22-1709); variant: Jan Mazepa)
found: Ukr. mala ent͡syk., 1959, v. 2, p. 889-890 (1639-1709)
found: Subtelny, Ukraine, a History, 1988, p. 160 (Born on the Right Bank in 1639 into a Ukrainian noble family)
found: Enc. Amer., 1994 v. 18, p 553 (Mazeppa, Ivan Stepanovich, Cossack leader and Ukrainian patriot; also Mazepa)
found: Rus. Brockhaus, v. 18, p. 358 (Mazepa-Koledinskiĭ, Ivan Stepanovich; d.o.b. not exactly known, 1629? probably 1644)
found: Enc. Brit., Micro., v. 7, (Mazepa, Ivan Stepanovich, 1644-1709; Hetman of the Cossacks)
found: Istorii͡a Ukraïny, 1994: p. 215 (Mazepa, Ivan, 1687-1709)
Mazepa, Ivan Stepanovych, 1639-1709
