Halporn, B.C. Johann Amerbach’s collected editions of St. Ambrose, St. Augustine and St. Jerome, 1988: leaf 24 (b. prob. 1441, son of Peter Welcker) leaf 26 (appears in the Basel records as "Hans von Venedig" up until 1490)
Dict. historique et biog. de la Suisse, 1921 (Amerbach, Johannes; b. 1430; d. 1513)
Meyers enzyklop. Lexikon, 1971 (Amerbach, Johannes, really prob. Johannes Welcker; b. ca. 1440(?), d. 12/25/1513)
Brockhaus Enzyklop., 1986 (Amerbach, Johannes, printer; b. ca. 1440; d. 12/25/1513)
Dtscher biog. Index, 1986 (Amerbach, Johann, also Ammerbach)
Webster’s biog. dict., 1966 (Amerbach, Hans, 1444-?1513)
Meyers neues Lex., 1972 (Amerbach, Johann; b. ca. 1445)
NDB (Amerbach, Johannes; b. ca. 1440, very prob. identical with Johannes Welker)
Epistolare Marii Philelfi, 1489: colophon (... Ioannem De Amerbach)
His The correspondence of Johann Amerbach, c2000.
Proctor p. 543 (Basel: Johann, of Amorbach)
Darlow & Moule index III (Amerbachius or de Amerbach, Johannes)