Elementary Algebra
Lynn Marecek & OpenStax & MaryAnne Anthony-Smith
Calculus
Edwin Herman & Gilbert Strang
Last and First Men
Olaf Stapledon
A Brief Account of the Educational Publishing Business in the ...
William Edmond Pulsifer
An Inquiry Into the Nature and Causes of the Wealth of Nations
Adam Smith
The Einstein Theory of Relativity
Hendrik Antoon Lorentz