Annual petroleum product.
Beggared millionaire.
Curious accident...
John W. Steele.
Kerosene oil.
Many flowing wells were struck...
Miscellaneous.
Natural gas.
Oil country.
Oil regions.
"Oil Tommy".
Oildom.
Ordinary meeting, February 23rd, 1869.
Petrolea.
Petroleum: a great American industry.
Petroleum fields.
Petroleum...geological report on the oil regions of West Virginia.
Petroleum...grand excursion through the Pennsylvania oil regions...
Petroleum operations.
Pioneer's field in petroleum research.
Prince petroleum.
Sale of the Parker oil farm.
Series of papers on the origin and chemical composition of petroleum.
Standard Petroleum Refinery.
Tar wells of Zante.