found: His Vues remarquables des montagnes de la Suisse, 1778.
found: Raeber, W. Caspar Wolf 1735-1783, 1979:t.p. (Caspar Wolf) p. 369 (d. Oct. 6, 1783 in Heidelberg)
found: Nagler Künstler-Lexikon:(Wolf, Caspar; d. 1798 in Mannheim)
found: DNB database, Oct. 5, 2010(Wolf, Caspar (Künstler); 1735-1783; Swiss)
found: Grove art online, Oct. 5, 2010(Wolf, Caspar; baptised May 3, 1735, Muri im Aargau; d. Oct. 6, 1783, Heidelberg; Swiss painter and draughtsman)
found: Information from 678 converted Jan. 5, 2015(Swiss painter)