Proc. Acad. Nat. Sci. Philadelphia. 1899. 281-298. pls. 12, 13.Mode of access: Internet
"Contribution from the Bureau of Biological Survey."Cover title.Bibliography: p. 23.Mode of access: ...
"March 1993."Includes bibliographical references (p. 14-18).Mode of access: Internet
In Philosophical transactions of the Royal Society of London. Series B. Vol. 194, p. 335-436.Cover-t...
Binder's title."Verzeichnis der zitierten literatur"; p. 68-69.Mode of access: Internet
A. Fedtschenko: Reise in Turkestan. 1877. Tom. 2. (Zool. Teil) Pt. 5. f.Mode of access: Internet
Trans. Soc. nat. St. Petersburg. 1885. 16. 635-814.[Russian].Mode of access: Internet
Bull. Soc. imp. d. nat. Moscou. 1839. 12. 44-68. plates 1, 2. 1840. 13. 169-180. plate 4.Mode of acc...
[Ph. intermedius, orophilus, preblei, latimanus, ungava, longicaudus. Bibliography.]Mode of access: ...
Contributions from the Museum of vertebrate zoology of the University of California.Cover title."Lit...
Reprinted from Michigan academy of science. 14th report, 1912.Caption title.Mode of access: Internet
<From the Laboratory of genetics of the Bussey institution>Bibliography: p. 56.Mode of access: Inter...
Extracted from Verhandlungen der K.k. Zoologischbotanische gesellschaft in Wien, bd. XXVII.Caption t...
Bull. U.S. Geol. & Geogr. Surv. Terr. 1875. (Ser. 2.) No. 2. 91-120.Mode of access: Internet
"Contributions from the Zoological laboratory of the University of Illinois ... no. 26."Bibliography...
Reprinted from the Transactions of the N.Y. Acad. Sci. March 17, 1895.Mode of access: Internet
"Contribution from the Bureau of Biological Survey."Cover title.Bibliography: p. 23.Mode of access: ...
"March 1993."Includes bibliographical references (p. 14-18).Mode of access: Internet
In Philosophical transactions of the Royal Society of London. Series B. Vol. 194, p. 335-436.Cover-t...
Binder's title."Verzeichnis der zitierten literatur"; p. 68-69.Mode of access: Internet
A. Fedtschenko: Reise in Turkestan. 1877. Tom. 2. (Zool. Teil) Pt. 5. f.Mode of access: Internet
Trans. Soc. nat. St. Petersburg. 1885. 16. 635-814.[Russian].Mode of access: Internet
Bull. Soc. imp. d. nat. Moscou. 1839. 12. 44-68. plates 1, 2. 1840. 13. 169-180. plate 4.Mode of acc...
[Ph. intermedius, orophilus, preblei, latimanus, ungava, longicaudus. Bibliography.]Mode of access: ...
Contributions from the Museum of vertebrate zoology of the University of California.Cover title."Lit...
Reprinted from Michigan academy of science. 14th report, 1912.Caption title.Mode of access: Internet
<From the Laboratory of genetics of the Bussey institution>Bibliography: p. 56.Mode of access: Inter...
Extracted from Verhandlungen der K.k. Zoologischbotanische gesellschaft in Wien, bd. XXVII.Caption t...
Bull. U.S. Geol. & Geogr. Surv. Terr. 1875. (Ser. 2.) No. 2. 91-120.Mode of access: Internet
"Contributions from the Zoological laboratory of the University of Illinois ... no. 26."Bibliography...
Reprinted from the Transactions of the N.Y. Acad. Sci. March 17, 1895.Mode of access: Internet
"Contribution from the Bureau of Biological Survey."Cover title.Bibliography: p. 23.Mode of access: ...
"March 1993."Includes bibliographical references (p. 14-18).Mode of access: Internet
In Philosophical transactions of the Royal Society of London. Series B. Vol. 194, p. 335-436.Cover-t...