9 books
The Water Powers of Texas (Classic Reprint)
The Water Powers of Texas (Large Text Classic Reprint)
Rice Irrigation in Texas (Classic Reprint)
The Elements of Plane and Spherical Trigonometry - Scholar's Choice Edition
Rice Irrigation in Texas
Surveyor's Hand Book
Prismoidal Formulae and Earthwork
The Elements of Plane and Spherical Trigonometry
Backbone of Perspective