"On discovering America. "; "Buck, Pearl S. (Pearl Sydenstricker), 1892-1973."; "United States--Civilization."; "Buck, Pearl S. (Pearl Sydenstricker), 1892-1973."; "1937"; "Journal article reprint from: Survey Graphic, 1937:June."; ""; "P3252"; "pec"; "United States--Civilization."; "14256"; .