 Logarithmic and Trigonometric Tables: Prepared Under the Direction of Earl Raymond Hedrick ... [ 1917 ] by E. R. (Earle Raymond) Hedrick, 20090810
 Pamphlets by Earle Raymond Hedrick, 20100525
 Plane and Spherical Trigonometry by Earle Raymond Hedrick, 20100216
 Functions Of A Complex Variable: Being Part One Of V2 (1916) by Edouard Goursat, 20100910
 Plane and Solid Geometry by Earle Raymond Hedrick, Walter Burton Ford, et all 20100223
 A Course in Mathematical Analysis, Volume 2,&Nbsp;Part 1 by Edouard Goursat, Earle Raymond Hedrick, et all 20100109
 A Course in Mathematical Analysis, Volume 1 by Edouard Goursat, Earle Raymond Hedrick, 20100301
 Applications of the calculus to mechanics by Earle Raymond Hedrick, O D. b. 1878 Kellogg, 20100911
 The Macmillan Mathematical Tables by Earle Raymond Hedrick, 19200101
 An Algebra for Secondary Schools by Earle Raymond Hedrick, 20100110
 Ueber Den Analytischen Character Der Lösungen Von Differentialgleichungen (German Edition) by Earle Raymond Hedrick, 20100403
 A Course in Mathematical Analysis, Volume 1 by Edouard Goursat, Earle Raymond Hedrick, 20100111
 Functions Of A Complex Variable: Being Part One Of V1 (1916) by Edouard Goursat, 20080602
 The Calculus by Earle Raymond Hedrick, William Charles Brenke, et all 20100305
