Spelling it out...
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Furness, Edna L.
Spelling for the millions
Appleton Century , 1964
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Pratley, Rhiannedd
Spelling it out
London BBC Books 1988
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Cognitive processes in spelling
Uta Frith edited
Academic Press, 1980
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Klein, M.
Praktische cursus spelling &
Groningen Wolters-Noordhoff 1985
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