Elementary Algebra

A Higher Algebra

Wentworth's Primary Arithmetic

A Text-Book of Geometry

New Plane and Spherical Trigonometry, Surveying and Navigation, Teachers' Edition

New Plane and Spherical Trigonometry, Surveying, and Navigation

Mental Arithmetic

First Steps in Number

Aritmética Elemental

Plane Geometry

Exercises in Wentworth's Analytic Geometry