Blogdown
Yihui Xie & Amber Thomas & Alison Presmanes Hill
Toward the Future
Pierre Teilhard de Chardin
Dictionary of Educational and Psychological Terms
ArEng EngAr
John Locke and Modern Life
Lee Ward
Logarithms self-taught
Peter H. Selby
Encyclopedia of Computational Mechanics, 3 Volume Set
Erwin Stein & René de Borst & Thomas J. R. Hughes
Concise Introduction to Logic and Set Theory
Iqbal H. Jebril & Hemen Dutta & Ilwoo Cho
Encyclopedia of Nanotechnology
Bharat Bhushan