* Curtin, Philip D. ''The World and the West: The European Challenge and the Overseas Response in the Age of Empire.'' (2000) 308 pp. ISBN 978-0-521-77135-1. [http://www.h-net.org/reviews/showrev.cgi?path=101631014404360 online review]
* Curtin, Philip D. ''The World and the West: The European Challenge and the Overseas Response in the Age of Empire.'' (2000) 308 pp. ISBN 978-0-521-77135-1. [http://www.h-net.org/reviews/showrev.cgi?path=101631014404360 online review]
* Dunn, Ross E., ed. ''The New World History: A Teacher's Companion.'' (2000). 607pp. ISBN 978-0-312-18327-1 [http://www.h-net.org/reviews/showrev.cgi?path=104721001962579 online review]
* Dunn, Ross E., ed. ''The New World History: A Teacher's Companion.'' (2000). 607pp. ISBN 978-0-312-18327-1 [http://www.h-net.org/reviews/showrev.cgi?path=104721001962579 online review]
−
* Frye, Northrop. "Spengler Revisited" in ''Northrop Frye on modern culture'' (2003), pp 297–382, first published 1974; [http://books.google.com/books?id=WzgZrML6tQ0C&pg=PA297&dq=%22electron+or+the+dinosaur%22&source=gbs_toc_r&cad=0_0&sig=c73q8UNO2Z6dbrg27Hmf0_1PlFY online]
+
* Frye, Northrop. "Spengler Revisited" in ''Northrop Frye on modern culture'' (2003), pp 297–382, first published 1974; [https://books.google.com/books?id=WzgZrML6tQ0C&pg=PA297&dq=%22electron+or+the+dinosaur%22&source=gbs_toc_r&cad=0_0&sig=c73q8UNO2Z6dbrg27Hmf0_1PlFY online]
* Hughes, H. Stuart. ''Oswald Spengler'' (1952).
* Hughes, H. Stuart. ''Oswald Spengler'' (1952).
* Hughes-Warrington, Marnie. ''Palgrave Advances in World Histories'' (2005), 256pp, articles by scholars
* Hughes-Warrington, Marnie. ''Palgrave Advances in World Histories'' (2005), 256pp, articles by scholars