Andrew J Walker (Walker, Andrew J / Andrew J. Walker / Walker, Andrew J.)

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  Introduction to the Physiology of Crop Yield
  by Andrew J Walker, Robert K. M. Hay
  Softcover, John Wiley & Sons Inc, ISBN 047021192X (0-470-21192-X)
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  John Caspar Wild: Painter And Printmaker of Nineteenth-century Urban America
  by John W. Reps, J. C. Wild, Andrew J Walker
  Hardcover, Univ of Missouri Pr, ISBN 1883982553 (1-883982-55-3)
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  Mary Cassatt : Modern Woman
  by Judith A. Barter, Erica E. Hirshler, George T. Shackelford, Kevin Sharp, Andrew J. Walker
  Hardcover, Abrams , Incorporated, Harry N., ISBN 0810940892 (0-8109-4089-2)