Bowersock, G. W., Brown, P., & Grabar, O. (1999). Late antiquity: A guide to the postclassical world. Belknap Press of Harvard University Press.

Bowersock, G. W., Peter Brown, and Oleg Grabar. Late Antiquity: A Guide to the Postclassical World. Cambridge, Mass. ; London, England: Belknap Press of Harvard University Press, 1999.

Bowersock, G. W., et al. Late Antiquity: A Guide to the Postclassical World. Belknap Press of Harvard University Press, 1999.