Petroleum. Final report of Marketing Division, Petroleum Administrative Board: pt. 1, Development of competitive practices in marketing branch of petroleum industry, 1910-33; pt. 2, Review of operations of marketing section (art. 5) of petroleum code and effect of abandonment of code upon trade practices; pt. 3, Pacific Coast petroleum industry under the Agency and period immediately following; pt. 4, Survey of motor-fuel retail outlets in Allen County, Ind.

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