↑(en-US) « Obituary, Herman J. Schwarzmann », Architecture and building, Volume 15, page 163, William T. Comstock, (consulté le ) : « Hermann J. Schwartzmann, architect and engineer, died in this city on the 28d ult., aged forty-five. He was born in Munich, Bavaria... »
↑(en-US) « Personal name heading Schwarzmann, Hermann Joseph, 1846-1891 » [archive du ], Library of Congress Authorities, Library of Congress (consulté le ) : « Personal name heading Schwarzmann, Hermann Joseph, 1846-1891 Browse this term in LC Authorities or the LC Online Catalog Variant(s) Schwarzmann, H. J. (Hermann Joseph), 1846-1891 Found in Maass, J. The glorious enterprise, 1973: t.p. (H.J. Schwarzmann, architect-in-chief; Centennial Exhibition of 1876) p. 8, etc. (civil engr. & architect; son of Joseph Anton Schwarzmann; b. Apr. 30, 1846, Munich; d. Sept. 23, 1891, NYC; birth name: Hermann Anselm Wilhelm Schwarzmann; in 1868 upon arriving in Am., changed his name to: Hermann Joseph Schwarzmann) Am. natl. biog., 1999 (Schwarzmann, Hermann Joseph (30 Apr. 1846-23 Sept. 1891); architect; b. Munich, Germany, the son of Joseph Anton Schwarzmann; d. NYC) »