Reprinted from the Iowa Geological Survey. Annual reports, 1919-1920.Mode of access: Internet
Each plate accompanied by leaf of descriptive letterpress.Mode of access: Internet
At head of title: From the Transactions of the Connecticut Academy of Arts and Sciences, vol. v, 187...
Proc. Acad. Nat. Sci. Philadelphia. 1891. 337-341. pl. 16.Mode of access: Internet
Includes bibliographical references (p. 1-20) and index.Mode of access: Internet
Extract from the Proceedings of the Academy of natural sciences of Philadelphia, v. 28.Typewritten t...
Anniversary memoirs of the Boston Society of natural history, 1830-1880.Mode of access: Internet
Reprinted from the Iowa Academy of Sciences proceedings.Cover title.Mode of access: Internet
Vol. 2 never published.Vol. 1, pt. 1. Geology. pt. 2. Palaeontology.Mode of access: Internet
Reprinted from the Transactions of the Devonshire Association for the Advancement of Science, Litera...
"From Iowa Geological survey, vol. XIII. Annual report, 1902."Mode of access: Internet
At head of title: Extracted from the bulletin of the U.S. fish commission for 1890.Mode of access: I...
Includes index.Offprint : Annual report of the Department of Geology and Natural Resources of Indian...
From: the Quarterly journal of the Geological Society for November 1862.Electronic reproduction.Mode...
"List of publications referring to the echinoderms of the Woods Hole Region."Mode of access: Interne...
Extr. de: "Bulletin of the United States geological and geographical survey", t. 4, 1878, p. 747-776...
Each plate accompanied by leaf of descriptive letterpress.Mode of access: Internet
At head of title: From the Transactions of the Connecticut Academy of Arts and Sciences, vol. v, 187...
Proc. Acad. Nat. Sci. Philadelphia. 1891. 337-341. pl. 16.Mode of access: Internet
Includes bibliographical references (p. 1-20) and index.Mode of access: Internet
Extract from the Proceedings of the Academy of natural sciences of Philadelphia, v. 28.Typewritten t...
Anniversary memoirs of the Boston Society of natural history, 1830-1880.Mode of access: Internet
Reprinted from the Iowa Academy of Sciences proceedings.Cover title.Mode of access: Internet
Vol. 2 never published.Vol. 1, pt. 1. Geology. pt. 2. Palaeontology.Mode of access: Internet
Reprinted from the Transactions of the Devonshire Association for the Advancement of Science, Litera...
"From Iowa Geological survey, vol. XIII. Annual report, 1902."Mode of access: Internet
At head of title: Extracted from the bulletin of the U.S. fish commission for 1890.Mode of access: I...
Includes index.Offprint : Annual report of the Department of Geology and Natural Resources of Indian...
From: the Quarterly journal of the Geological Society for November 1862.Electronic reproduction.Mode...
"List of publications referring to the echinoderms of the Woods Hole Region."Mode of access: Interne...
Extr. de: "Bulletin of the United States geological and geographical survey", t. 4, 1878, p. 747-776...
Each plate accompanied by leaf of descriptive letterpress.Mode of access: Internet
At head of title: From the Transactions of the Connecticut Academy of Arts and Sciences, vol. v, 187...
Proc. Acad. Nat. Sci. Philadelphia. 1891. 337-341. pl. 16.Mode of access: Internet