Jones, J. Sydney.

The crusades = primary sources / by: Means, Marcia Merryman.; Jones, J. Sydney.; Schlager, Neil, (1966-) (Electronic resources)

The Crusades reference library by: Schlager, Neil, (1966-,); Means, Marcia Merryman,; O'Neal, Michael J., (1949-); Jones, J. Sydney.; Zerbonia, Ralph.; Thomson Gale (Firm) (Electronic resources)