Books by George Roberts Perkins
Plane and Solid Geometry: To which is Added Plane and Spherical Trigonometry and Mensuration ..
The Practical Arithmetic: Designed for Such Institutions as Require a Greater Number of Examples ..
The Practical Arithmetic: Designed for Such Institutions as Require a ..
An Elementary Arithmetic Designed for Academies and Schools: Also Serving as an Introduction to ..
Higher Arithmetic: Designed for the Use of High Schools, Academies, and Colleges ... with an ..
Elements of Geometry: With Proctical Applications ..
An Elementary Arithmetic ...: Serving as an Introduction to the Higher Arithmetic
A Treatise on Algebra: Embracing, Besides the Elementary Principles, All the ..