NATIVE AMERICAN INDIGENOUS WISDOM: Balance hectic modern living with spiritual traditions for joy, purpose, inner calm and holistic wellbeing.

Mathematical tracts on the lunar and planetary theories, the figure of the earth, precession and nutation, the calculus of variations, and the undulatory theory of optics

Physical Geography

A treatise on ordinary and partial differential equations.

Elements of differential calculus. By Edgar W. Bass ...

My Pop-Up Bible Stories

Preliminary Report of the United States Geological Survey of Wyoming, and portions of the contiguous territories: Being a Second annual report of progress. Edition of 1872

Higher geometry; an introduction to advanced methods in analytic geometry, by Frederick S. Woods.

An elementary treatise on theoretical mechanics, by J. H. Jeans.