Online Sources
https://web.archive.org/web/20161125225439/https://www.exeter.edu/academics/6610_6640.aspx
Avalon Project - Documents in Law, History and Diplomacy - Yale University
Roy Rosenzwieg Center for History and New Media
Center for Human Values - Princeton University
The Centre for the Study of Global Governance (LSE)
First World War Poetry Digital Archive
Institute for Advanced Technology in the Study of the Humanities - University of Virginia
Library of Congress Online Catalogs
Networked Digital Library of Theses and Dissertations
The Perry-Castañeda Library Map Collection
Pestilence and Headcolds Encountering Illness in Colonial Mexico
Project Gutenberg Consortia Center