A Short History of the Papacy in the Middle Ages
Walter Ullmann
Infinitesimal Methods of Mathematical Analysis
J S Pinto & R. F. Hoskins
Assyrian Grammar with Paradigms, Exercises, Glossary and Bibliography
Friedrich Delitzsch, Archibald Robert Stirling Kennedy
Beginning of Philosophy
Hans-Georg Gadamer
Modern Philosophy: An Introduction and Survey
Roger Scruton
Macmillian Encyclopedia of Energy
MacMillan