Report of the United States Geological Survey of the territories. F.V. Hayden, United States geologist in charge ... [Final reports or monographs. vol. I]-III, V-XIII.

9

Report of the United States Geological Survey of the territories. F.V. Hayden, United States geologist in charge ... [Final reports or monographs. vol. I]-III, V-XIII.

11

Report of the United States Geological Survey of the territories. F.V. Hayden, United States geologist in charge ... [Final reports or monographs. vol. I]-III, V-XIII.

12

Report of the United States Geological Survey of the territories. F.V. Hayden, United States geologist in charge ... [Final reports or monographs. vol. I]-III, V-XIII.

6

Report of the United States Geological Survey of the territories. F.V. Hayden, United States geologist in charge ... [Final reports or monographs. vol. I]-III, V-XIII.

8

Report of the United States Geological Survey of the territories. F.V. Hayden, United States geologist in charge ... [Final reports or monographs. vol. I]-III, V-XIII.

1

Report of the United States Geological Survey of the territories. F.V. Hayden, United States geologist in charge ... [Final reports or monographs. vol. I]-III, V-XIII.

10

Report of the United States Geological Survey of the territories. F.V. Hayden, United States geologist in charge ... [Final reports or monographs. vol. I]-III, V-XIII.

13

The life and letters of Charles Darwin, including an autobiographical chapter, ed. by his son Francis Darwin ...

1

Report of the United States Geological Survey of the territories. F.V. Hayden, United States geologist in charge ... [Final reports or monographs. vol. I]-III, V-XIII.

5

The Journal of the Bombay Natural History Society.

v.6 (1891)

Fauna arctica : eine Zusammenstellung der arktischen Tierformen mit besonderer Berücksichtigung des Spitzbergen-Gebietes auf Grund der Ergebnisse der Deutschen Expedition in das Nördliche Eismeer im Jahre 1898 Unter Mitwirkung zahlreicher Fachgenossen hrsg. von Fritz Römer und Fritz Schaudinn. Nach ihrem Tode fortgesetzt von August Brauer und Walther Arndt.

Bd.2 (1901-1902)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik.

jahrg. 12, bd. 48 (1891)