Books about Science -- Periodicals (sorted by popularity)
- Scientific American Supplement, No. 1178, June 25, 1898 Various 101 downloads
- International Weekly Miscellany of Literature, Art and Science - Volume 1, No. 9, August 26, 1850 Various 100 downloads
- The Kansas University science bulletin, Vol. I, No. 6, September 1902 100 downloads
- Scientific American Supplement, No. 484, April 11, 1885 Various 99 downloads
- The Ohio naturalist, Vol. 1, No. 4, February 1901 Ohio State University. Biological Club 99 downloads
- Lippincott's Magazine, November 1885 Various 99 downloads
- Appletons' Popular Science Monthly, November 1898 Various 98 downloads
- Scientific American Supplement, No. 430, March 29, 1884 Various 98 downloads
- Lippincott's Magazine of Popular Literature and Science, Volume 11, No. 26, May, 1873 Various 98 downloads
- Lippincott's Magazine of Popular Literature and Science, Vol. 20, August 1877 Various 98 downloads
- Scientific American Supplement, No. 360, November 25, 1882 Various 98 downloads
- Appletons' Popular Science Monthly, July 1899 Various 98 downloads
- Scientific American Supplement, No. 312, December 24, 1881 Various 98 downloads
- The Kansas University Quarterly : Vol. I, No. 4, April 1893 Various 98 downloads
- The Kansas University science bulletin, Vol. I, No. 8, September 1902 98 downloads
- The Ohio Naturalist, vol. II, no. 2, December, 1901 Ohio State University. Biological Club 98 downloads
- Scientific American Supplement, No. 794, March 21, 1891 Various 96 downloads
- Scientific American Supplement, No. 441, June 14, 1884. Various 96 downloads
- Scientific American Supplement, No. 620, November 19,1887 Various 96 downloads
- Lippincott's Magazine, August, 1885 Various 95 downloads
- The Ohio Naturalist, Vol. II, No. 1, November, 1901 Ohio State University. Biological Club 95 downloads
- Lippincott's Magazine of Popular Literature and Science, Vol. 20, No. 33, November 1877 Various 95 downloads
- Lippincott's Magazine of Popular Literature and Science, Vol. 22, September, 1878 Various 95 downloads
- Appletons' Popular Science Monthly, September 1899 Various 95 downloads
- Scientific American Supplement, No. 531, March 6, 1886 Various 94 downloads