At: Botaniska Notiser, 117, 2 By: Tralau H.
journalAt: American Geologist, 12, 4 By: Lesquereux L. C.
journalAt: Proceedings of the Imperial Academy of Japan, 10, 8 By: Endô S.
journalAt: Plant World, 19 By: Berry E. W.
bookAt: Geol. Hist. Pl., New York; London, D. Appleton and Company [New York]; Kegan Paul, Trench & Co. [London] By: Dawson J. W.
journalAt: Quarterly Journal of the Geological Society of London, Part I, 79, 314 By: Chandler M. E. J.
bookAt: Geol. Miner. Res. Jap. Empire, Tokyo, Imperial Geological Survey of Japan By: Kanehara N.
bookAt: Geol. Sussex, Brighton, W. J. Smith, New Edition By: Dixon F.
journalAt: Johns Hopkins University Studies in Geology, 1 By: Singewald J. T., Berry E. W.
journalAt: Professional Papers / United States Geological Survey, 35 By: Smith G. O., White D.