na YOGYA-05120000000395 20120513231338.0 ind 010-051200000000395 897.04 897.04 Gra P GRAY, William S. People and progress Williams Gray, May Hill Arbuthnot. New York Scott, Foresman and Company 1947. 480 hlm. ilus. 20 cm. Kesusastraan Amerika Arbuthnot, May Hill 8540-a