At: Bulletin of the Torrey Botanical Club, 37, 1 By: Berry E. W.
journalAt: Bulletin of the Torrey Botanical Club, 37, 4 By: Berry E. W.
journalAt: Bulletin of the Torrey Botanical Club, 37, 10 By: Berry E. W.
journalAt: Bulletin of the Torrey Botanical Club, 38, 9 By: Berry E. W.
bookAt: Contr. Micropalaeontol. Cambr.-Sil. Rocks Can., Ottawa, Maclean, Roger & Co., [1] By: Foord A. H.
journalAt: Bulletin of the Washburn Laboratory of Natural History, 2, 10 By: Cragin F. M.
journalAt: Johns Hopkins University Studies in Geology, 4 By: Berry E. W.
journalAt: American Naturalist, 41, 487 By: Penhallow D. P.
journalAt: Transactions of the Royal Society of Edinburgh, 54, 3 By: Lang W. H.
journalAt: Transactions of the Royal Society of Edinburgh, 54, 2 By: Lang W. H.