Ayer, Fred C.
Gateway to correct spelling
the Stect Company , 1960
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Carney, Edward
English spelling/ Edward Carney
Routledge,, 1997
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Furness, Edna L.
Spelling for the millions
Appleton Century , 1964
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Basch, Lester D.
Spelling self-taught: a teaching-machine book/by Lester D. Basch and Milton Finklestein
Sterling Publishing , 1962
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Mudd, Norma
Effective spelling : a practical guide for teachers / Norma Mudd
Hodder & Stoughton Educational , 1998
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