Rubel, David. The United States in the 20th century / [electronic resource] United States in the twentieth century / David Rubel.. — New York : : Scholastic Reference,, c1995.. — 192 p. : : col. ill. ; 24 x 28 cm. — (Scholastic timelines). - Rubel, David. Scholastic timelines. .
"An Agincourt Press book." "A children's book of the month club main selection : ages 9 and up." Includes index.