found: His El governador christiano, 1612:t.p. (el maestro F. Ioan Marquez, de la Orden de San Augustin, Cathedratico de Visperas de Theologia de la Universidad de Salamanca) p. 3 (el Padre Maestro Fray Iuan Marquez)
found: Enc. univ. il.(Márquez (Juan); b. 1564, Madrid; d. 1621, Salamanca; Spanish theologian and writer; Augustinian)
found: Bib. Nac. de España auth. file, Jan. 12, 2016(hdg.: Márquez, Juan (1565-1621); cites two sources giving birth date as 1565 and 1564 respectively)
found: LC database, Jan. 12, 2016(hdg.: Márquez, Juan, 1564-1621; usage: maestro Fray Iuan Marquez, Juan Márquez)