Unbounded Loyalty: Frontier Crossing in Liao China Autor Naomi Standen 30 noi 2006 Hardback Preț: 404.37 lei 6-8 săpt.
Frontiers in Question: Eurasian Borderlands, 700–1700 Themes in Focus Autor Daniel Power et al. 18 apr 1999 Paperback Preț: 263.47 lei 6-8 săpt.