999 resultados para Elementary operator
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"Undertaken by the Office of education in cooperation with the National advisory council on school building problems."--Introd., p. vii.
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Mode of access: Internet.
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"Analytic and synthetic reading method. (Copyrighted, 1912) By Frank S. Fox": p. 26-36.
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Lettered on cover: Problems in geometry. Beman and Smith. 1922.
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"Developed ... under the direction and guidance of Miss Helen Heffernan, chief, Division of elementary education and rural schools."--Foreword, p. iii.
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Reproduced from type-written copy.
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WI docs. no.: Ed.3/2:1453
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Series title also at head of t.-p.
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Shipping list no.: 90-693-P.
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Mode of access: Internet.
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Mimeographed with manuscript corrections.
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Cover title.