Merriam-Webster's Dictionary of Quotations
Merriam-Webster
The Truth About Testing: An Educator's Call to Action
W. James Popham
Zombie Scrum Survival Guide
Christiaan Verwijs & Johannes Schartau & Barry Overeem
An Introduction to Mathematical Logic - Lecture
Wolfram Pohlers & Thomas Glaß
The Virtue of Selfishness: A New Concept of Egoism
Ayn Rand & Nathaniel Branden
The Secret of the Shadow: The Power of Owning Your Story
Debbie Ford