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Trigonometry With Applications
John A. Graham, Robert H. Sorgenfrey
Hardcover (Houghton Mifflin School, June 1, 1983)None
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Mathematics: Structure and Method
& Graham Mary P., Sorgenfrey, Robert H.
Hardcover (Houghton Mifflin Company, Aug. 16, 1988)Mathematics: Structure and Method (Course 1)
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Trigonometry with Applications
John A. Graham, Robert H. Sorgenfrey
Hardcover (McDougal Littell/Houghton Mifflin, Feb. 1, 1989)None