Note 283 — Chapter IV · The Effect of the World War on Laws for Teaching History
Reading edition
Laws of Ohio, 1919, supplements 7852 of General Code, sec. 7852-1, p. 514. Laws of Colorado, 1921, ch. 213, sec. 1, p. 719. Laws of Oregon, 1921, ch. 115, p. 226, approved February 18, 1921.