In a Persian oil field :
Williamson, John Woolfenden.
In a Persian oil field : a study in scientific and industrial development / by J.W. Williamson. with a prefatory letter from the Rt. Hon. The Earl of Balfour. - 2nd ed., rev. and enl. - London : E. Benn limited, 1930. - 3 p. l., 9-192 p. : plates, map ; 22 cm.
Petroleum industry and trade--Iran.
TN876.I7 / W55 1930
In a Persian oil field : a study in scientific and industrial development / by J.W. Williamson. with a prefatory letter from the Rt. Hon. The Earl of Balfour. - 2nd ed., rev. and enl. - London : E. Benn limited, 1930. - 3 p. l., 9-192 p. : plates, map ; 22 cm.
Petroleum industry and trade--Iran.
TN876.I7 / W55 1930