Note 341 — Chapter IV · The Effect of the World War on Laws for Teaching History
Reading edition
General Laws of Ohio, 1921, sec. 7761-3, p. 101; General Laws of Idaho, 1921, p. 418; Session Laws of Wyoming, ch. 127, sec. 1, p. 188; General Laws of Oregon, 1921, ch. 87, sec. 1, p. 139 (S. B. 171).