BABSON, Grace K. A Descriptive Catalogue of the Grace K. Babson Collection of the Works of Sir Isaac Newton, New York: Herbert Reichner and The Babson Institute, 1950-55, 2 volumes including supplement, frontispiece and plates, 4°, original cloth -- Peter & Ruth WALLIS. Newton and Newtonia 1672-1975. A Bibliography, Folkestone: Dawson, 1977, 4°, original cloth; and 2 other works on Isaac Newton in 3 volumes. (6)