The Oxford dictionary of Byzantium. Volume 1 / Alexander P. Kazhdan editor in chief, Alice-Mary Talbot executive editor, Anthony Cutler editor for art history, Timothy E. Gregory editor for archaeology and historical geography, Nancy P. Ševčenko associate editor.    New York :  Oxford University Press,  1991 . li, 728 s.

21st century opportunities and challenges : an age of destruction or an age of transformation / edited and with a preface by Howard F. Didsbury, Jr..    Bethesda, Md. :  World Future Society,  c2003 . xix, 344 s.