A study of high school spelling vocablary, including 15, 542 words alphabetically arranged with comparative data from the Thorndike, Horn and Betts word lists - Ayer, Fred Carleton 1880- (Austin, Tex. The Steck company, 1945)
"The twelve high school spellers used in this study": p. 2-3.
Keywords: Spellers; English language -- Orthography and spelling