The excavations at Dura-Europos : conducted by Yale University and the French Academy of Inscriptions and Letters : preliminary report of the seventh and eighth seasons of work 1933-1934 and 1935-1935 / edited by M.I. Rostovtzeff, F.E. Brown and C.B. Welles.    New Haven, Conn. :  Yale University Press,  1939 . xxiv, 461, lvii s., [11] l. obr. příl.