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 impr. - London : E. Benn limited, 1927. - 189 p. : plates. ; 22 cm.
Map on lining-paper.
Petroleum industry and trade--Iran.
TN876.I7 / W55 1927
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 impr. - London : E. Benn limited, 1927. - 189 p. : plates. ; 22 cm.
Map on lining-paper.
Petroleum industry and trade--Iran.
TN876.I7 / W55 1927