-
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Buchanan's Journal of Man, October 1887
-
Buchanan's Journal of Man, July 1887
-
Lippincott's Magazine of Popular Literature and Science, Volume 11, No. 27, June, 1873
Various
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Scientific American Supplement, No. 711, August 17, 1889
Various
-
Appletons' Popular Science Monthly, March 1900
Various
-
Appletons' Popular Science Monthly, July 1899
Various
-
Buchanan's Journal of Man, March 1887
-
Scientific American Supplement, No. 360, November 25, 1882
Various
-
Philosophical Transactions of the Royal Society - Vol 1 - 1666
Various
-
Buchanan's Journal of Man, August 1887
-
Buchanan's Journal of Man, January 1888
-
Buchanan's Journal of Man, June 1887
-
Buchanan's Journal of Man, May 1887
-
Appletons' Popular Science Monthly, April 1900
Various
-
Scientific American, Vol. XLIII.—No. 1. [New Series.], July 3, 1880
Various
-
Lippincott's Magazine of Popular Literature and Science, Volume 17, No. 098, February, 1876
Various
-
The Popular Science Monthly, October, 1900
Various
-
Scientific American Supplement, No. 633, February 18, 1888
Various
-
Scientific American, Volume XLIII., No. 25, December 18, 1880
Various
-
Lippincott's Magazine of Popular Literature and Science, Volume 12, No. 31, October, 1873
Various
-
Scientific American Supplement No. 819, September 12, 1891
Various
-
Lippincott's Magazine of Popular Literature and Science, Volume 12, No. 33, December, 1873
Various
-
Scientific American Supplement, No. 384, May 12, 1883
Various
-
Lippincott's Magazine of Popular Literature and Science, Volume 22. July, 1878.
Various
-
Scientific American Supplement, No. 467, December 13, 1884
Various
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