Books about Science -- Periodicals (sorted by popularity)
- Scientific American Supplement, No. 324, March 18, 1882 Various 63 downloads
- Scientific American Supplement, No. 595, May 28, 1887 Various 61 downloads
- Appletons' Popular Science Monthly, February 1900 Various 61 downloads
- Scientific American Supplement, No. 275, April 9, 1881 Various 60 downloads
- Scientific American Supplement, No. 586, March 26, 1887 Various 60 downloads
- Lippincott's Magazine of Popular Literature and Science, December 1878 Various 60 downloads
- Appletons' Popular Science Monthly, December 1899 Various 60 downloads
- The Popular Science Monthly, September, 1900 Various 59 downloads
- Scientific American Supplement, No. 467, December 13, 1884 Various 58 downloads
- Scientific American Supplement, No. 508, September 26, 1885 Various 58 downloads
- The American Journal of Science and Arts, Volume 50 (First Series) Various 58 downloads
- Scientific American Supplement, No. 561, October 2, 1886 Various 57 downloads
- Appletons' Popular Science Monthly, May, 1900 Various 57 downloads
- The Popular Science Monthly, July, 1900 Various 57 downloads
- Scientific American Supplement, No. 446, July 19, 1884 Various 57 downloads
- Lippincott's Magazine of Popular Literature and Science, Vol. 20, No. 33, November 1877 Various 56 downloads
- Scientific American Supplement, No. 344, August 5, 1882 Various 55 downloads
- Scientific American Supplement, No. 488, May 9, 1885 Various 55 downloads
- Proceedings of the California Academy of Sciences, Volume III, 1863-1867 Various 55 downloads
- Scientific American Supplement, No. 598, June 18, 1887 Various 54 downloads
- International Weekly Miscellany of Literature, Art and Science - Volume 1, No. 8, August 19, 1850 Various 53 downloads
- Lippincott's Magazine of Popular Literature and Science, Volume 17, No. 097, January, 1876 Various 53 downloads
- Lippincott's Magazine of Popular Literature and Science, Volume 17, No. 102, June, 1876 Various 53 downloads
- Scientific American Supplement, No. 484, April 11, 1885 Various 53 downloads
- Scientific American Supplement, No. 794, March 21, 1891 Various 52 downloads