Evidence: Oxford Bibliographies Online Research Guide
Trent Dougherty
Oxford Bibliographies Online Research Guides (1)
Ayn Rand Answers: The Best of Her Q & A
Robert Mayhew
Heidegger's Contributions to Philosophy: An Introduction
Daniela Vallega-Neu
Gurdjieff. Leben und Werk
Louise March
The Golden Age of Indian Buddhist Philosophy
Jan Westerhoff
The British National Bibliography
Arthur James Wells