Columbia subject headings:
Petroleum engineers--Galicia (Poland and Ukraine)--Biography.
Petroleum geologists--Galicia (Poland and Ukraine)--Biography.
Petroleum industry and trade--Galicia (Poland and Ukraine)--History.
Zglenicki, Witold, 1850-1904.
Łukasiewicz, Ignacy, 1822-1882.
Harvard subject headings:
Petroleum engineers--Galicia (Poland and Ukraine)--Biography.
Petroleum geologists--Galicia (Poland and Ukraine)--Biography.
Petroleum industry and trade--Galicia (Poland and Ukraine)--History.
Zglenicki, Witold, 1850-1904
Łukasiewicz, Ignacy, 1822-1882
Princeton subject headings:
Petroleum engineers--Galicia (Poland and Ukraine)--Biography.
Petroleum geologists--Galicia (Poland and Ukraine)--Biography.
Petroleum industry and trade--Galicia (Poland and Ukraine)--History.
Zglenicki, Witold, 1850-1904.
Łukasiewicz, Ignacy, 1822-1882.