Professor Silliman’s report upon the oil property of the Philadelphia and California Petroleum Company OF Philadelphia, situated in Santa Barbara and Los Angeles Counties, California
Silliman, Benjamin Jr; 1865
Die petroleum-industrie Nord-Amerikas in geschichtlicher, wirtschaftliche, geologischer und technischer hinsicht
Höfer von Heimhalt, Hans; 1874
Petrolia: a brief history of the Pennsylvania petroleum region: its development, growth, resources, etc., from 1859-1869
Cone, Andrew & Johns, Walter R.; 1870