They taught themselves American primitive painters of the 20th century

ανά Janis, Sidney 1897-
Έκδοση 1965

The birth of the American tradition in art

ανά Hagen, Oskar Frank Leonard 1888-
Έκδοση 1964

Modern American painting, with eighty-nine illustrations in full color selected from the series on contemporary American artists published in "Life"

ανά Boswell, Peyton
Έκδοση 1940