U.S. Canadian energy trade : a study of changing relationships / by Frank, Helmut Jack, 1922-, Schanz, John J. (John Jacob), 1923-

Full Text (via Internet Archive)

U.S. conventional oil and gas production : prospects to the year 2000 / by Riva, Joseph P., Schanz, John J. (John Jacob), 1923-, Ellis, John G.

Full Text (via Taylor & Francis)

U.S. Canadian energy trade : a study of changing relationships / by Frank, Helmut Jack, 1922-

Other Authors: “…Schanz, John J. (John Jacob), 1923-…”

U.S. conventional oil and gas production : prospects to the year 2000 / by Riva, Joseph P.

Other Authors: “…Schanz, John J. (John Jacob), 1923-…”