Search Results       Your search for [subject]Petroleum industry or trade returned 1 record.           The story of petroleum; a history of the development of crude oil and its products, together with a surveyof the industry, its occupation and the opportunities they offer today. by Plummer, William B.; Chicago, Ill.: Encyclopedia britannica, 1940. Subject: Petroleum industry or trade; Petroleum.          Add to Book Cart Relevance: 23.16%