Books by William L. Hart:
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Hart, William L., 1892-1984: Analytic Geometry and Calculus (second edition; Boston: D. C. Heath and Co., 1963) (page images at HathiTrust)- Hart, William L., 1892-1984: Plane and Spherical Trigonometry With Applications (Boston: D. C. Heath and Co., c1943) (page images at HathiTrust)
Additional books by William L. Hart in the extended shelves:
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Hart, William L., 1892-1984: Analytic geometry and calculus. (Heath, 1957) (page images at HathiTrust)- Hart, William L., 1892-1984: Calculus. (Heath, 1955) (page images at HathiTrust)
- Hart, William L., 1892-1984: College algebra (D. C. Heath and Company, 1926) (page images at HathiTrust)
- Hart, William L., 1892-1984: College algebra. Alternate ed. (D.C. Heath and company, 1931) (page images at HathiTrust)
- Hart, William L., 1892-1984: College trigonometry. (Heath, 1951) (page images at HathiTrust)
- Hart, William L., 1892-1984: Differential equations and implicit functions in infinitely many variables ([Press of the New era printing company], 1917) (page images at HathiTrust)
- Hart, William L., 1892-1984: Introduction to college algebra. (D. C. Heath, 1947) (page images at HathiTrust)
- Hart, William L., 1892-1984: Introduction to the mathematics of business (D.C. Heath and company, 1936) (page images at HathiTrust)
- Hart, William L., 1892-1984: Mathematics of investment. (D. C. Heath and Company, 1946) (page images at HathiTrust)
- Hart, William L., 1892-1984: Trigonometry. (Heath, 1954) (page images at HathiTrust)
Find more by William L. Hart at your library, or elsewhere.