by Robert Edouard Moritz
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On mathematics
A text-book on spherical trigonometry
Plane and sperical trigonometry (with fi...
A short course in college mathematics
Cyclic-harmonic curves
Ueber Continuanten und gewisse ihrer Anw...
Elementa
Elementary trigonometry
A treatise on surveying
Plane Trigonometry
Precalculus
Fundamentals of algebra and trigonometry