Earth Features and Their Meaning / An Introduction to Geology for the Student and the General Reader

by William Herbert Hobbs

Pet. Mitt.: Petermanns Mittheilungen aus Justus Perthes’ Geographischer Anstalt, Gotha.

Pet. Mitt., Ergänzungsh. or Erg.: Petermanns Mittheilungen, Gotha (Ergänzungsheft or Supplementary Paper).

Phil. Jour. Sci.: Philippine Journal of Science, Manila.

Phil. Trans.: Philosophical Transactions of the Royal Society, London.

Proc. Am. Acad. Arts and Sci.: Proceedings of the American Academy of Arts and Sciences.

Proc. Am. Assoc. Adv. Sci.: Proceedings of the American Association for the Advancement of Science.

Proc. Am. Phil. Soc.: Proceedings of the American Philosophical Society, Philadelphia.

Proc. Bost. Soc. Nat. Hist.: Proceedings of the Boston Society of Natural History, Boston.

Proc. Ind. Acad. Sci.: Proceedings of the Indiana Academy of Science.

Proc. Linn. Soc. New South Wales: Proceedings of the Linnean Society of New South Wales.