PMP® - PMBOK® Guide – Sixth Edition – Classroom Test Paper
simplilearn
The Craft: How the Freemasons Made the Modern World
John Dickie
The Professional Scrum Team
Kurt Bittner & Uwe M. Schirmer & Peter Götz
The Black Death: The World's Most Devastating Plague
Dorsey Armstrong
A Grammar and Dictionary of the Timucua Language
Julian Granberry
Descriptive psychology
Franz Brentano
International Library of Philosophy (1)