found: Rétrospective Paul Mathey (1891-1972), 1984:p. 3 (Paul Albert Matthey-de-l'Endroit; b. Auvernier, Feb. 16, 1891; orphaned at age 14; taken in by a paternal uncle (Louis Matthey, also Luis Mathey) and moved to New York; studied at the Art Students League, 1908-1910, before moving back to Geneva) p. 4 (d. Sept. 24, 1972)
found: Union list of artist names, May 10, 2016(Mathey, Paul, 1891-1972; Swiss painter; variants: L'Endroit, Matthey de; Matthey de l'Endroit, Paul Albert; Mathey, Paul Albert; Matthey, Paul Albert; Matthey, Paul)
found: Biografisches Lexikon der schweizer Kunst, c1998:(Mathey, Paul Albert; b. Auvernier, Feb. 16, 1891; d. Thônex, Sept. 24, 1972; painter)
