Biotechnology the renewable frontier
edited by Daniel E. Koshland， Jr1986 年出版384 页ISBN：0871383148
Chinese on the American Frontier
Arif Dirlik with the assistance of Malcolm Yeung2001 年出版506 页ISBN：0847685330
ASTRONOMY JOURNEY TO THE COSMIC FRONTIER
JOHN D.FIX1995 年出版703 页ISBN：0815130902
AFRICAN TEACHERS ON THE COLONIAL FRONTIER
STEPHEN C.VOLZ2011 年出版294 页ISBN：1433109492
The Virtual Community Homesteading on the Electronic Frontier revised edition
1993 年出版447 页ISBN：0262681218
Space architecture : the new frontier for design research
Neil Leach2014 年出版136 页ISBN：1118663301
