Concise Oxford Dictionary of Quotations
Susan Ratcliffe
Merriam-Webster's Dictionary of Quotations
Merriam-Webster
The Customer-Funded Business
John Mullins
Quintessence: Basic Readings From the Philosophy of W. V. Quine
Willard van Orman Quine
The Crusades and the Expansion of Catholic Christendom, 1000-1714
John France
Innovationsmanage[..] Von der Idee zum erfolgreichen Produkt
Kai Engel & Michael Nippa