Plane Trigonometry for the Use of Colleges and Schools [microform]I. J. (Isaac James) BirchardHäftad255 kr
High School Algebra. Part II; Part III. J. (Isaac James) Birchard, W. J. (William John) RobertsonHäftad284 kr
Answers and Solutions to Prize Problems in Arithmetic [microform]W. H. Ballard, W. J. RobertsonHäftad175 kr
High School Algebra. Part I; Part II. J. (Isaac James) Birchard, W. J. (William John) RobertsonHäftad284 kr