The two Italies : economic relations between the Norman kingdom of Sicily and the northern communes ＜Cambridge studies in medieval life and thought＞

David Abulafia、Cambridge University Press、1977

xvii, 310 p. 23 cm

0521212111

World civilizations : sources, images, and interpretations v. l ＜McGraw-Hill higher education＞ 4th ed

edited by Dennis Sherman ... [et al.]、Mcgraw-Hill、･･･

2 v. 28 cm

9780073133386

Geologically active : proceedings of the 11th IAEG Congress, Auckland, New Zealand, 5-10 September 2010

IAEG2010

editors, A.L. Williams ... [et al.]、CRC Press/Balk･･･

ix, 341 p. 26 cm.

9780415600347