found: His Un señor alto, rubio, de bigotes, 1963.
found: NUCMC files(Constantini, Humberto, 1924-1987)
found: New York Times, 6/13/87(Humberto Constantini, Argentine author, d. 6/7/87)
found: Info. converted from 678, 2012-10-02(b. 1924)
found: Cuentos completos, 1945-1987, 2010:title page (Humberto Constantini) front cover flap (1924-1987; born and died in Buenos Aires)
found: Costantini, Humberto. De dioses, hombrecitos y policías, 2019:title page (Humberto Costantini) front cover flap (Humberto "Cacho" Costantini)
found: National Library of Argentina in VIAF, October 31, 2019(access point: Costantini, Humberto, 1924-1987; usage: Costantini, Humberto Cacho, 1924-1987; Costantini, Cacho, 1924-1987)
