The Night Lives On
Walter Lord
Intentional Conceptual Change
Gale M. Sinatra & Paul R. Pintrich
Tibetan Yoga and Secret Doctrines
W. Y. Evans-Wentz
Asymptotic solutions of differential equations and their applications
Calvin H. Wilcox
Bullet Journal Basics and Ideas for Quick Note-Taking
MakeUseOf
Philosophy: The Nature of Persons
The Open University
Introducing Philosophy