Books about Science -- Periodicals (sorted by popularity)
- Lippincott's Magazine of Popular Literature and Science, Volume 20. December, 1877 Various 81 downloads
- The Ohio naturalist, Vol. 1, No. 3, January, 1901 Ohio State University. Biological Club 81 downloads
- Proceedings of the California Academy of Sciences, Volume III, 1863-1867 Various 80 downloads
- Scientific American Supplement, No. 299, September 24, 1881 Various 80 downloads
- Scientific American Supplement No. 819, September 12, 1891 Various 79 downloads
- Lippincott's Magazine, August, 1885 Various 78 downloads
- Lippincott's Magazine of Popular Literature and Science, Volume 20, September, 1877. Various 76 downloads
- Lippincott's Magazine of Popular Literature and Science, Volume 12, No. 28, July, 1873 Various 76 downloads
- Scientific American Supplement, No. 520, December 19, 1885 Various 76 downloads
- Buchanan's Journal of Man, September 1887 76 downloads
- Scientific American Supplement, No. 384, May 12, 1883 Various 76 downloads
- Scientific American Supplement, No. 324, March 18, 1882 Various 75 downloads
- Lippincott's Magazine of Popular Literature and Science, Vol. 22, September, 1878 Various 75 downloads
- Scientific American, Volume 17, No. 26 December 28, 1867 Various 75 downloads
- Scientific American Supplement, No. 531, March 6, 1886 Various 74 downloads
- Scientific American Supplement, No. 460, October 25, 1884 Various 74 downloads
- Scientific American Supplement, No. 787, January 31, 1891 Various 73 downloads
- Appletons' Popular Science Monthly, September 1899 Various 73 downloads
- Appletons' Popular Science Monthly, April 1900 Various 73 downloads
- Appletons' Popular Science Monthly, December 1899 Various 73 downloads
- Lippincott's Magazine of Popular Literature and Science, Volume 17, No. 097, January, 1876 Various 73 downloads
- Lippincott's Magazine of Popular Literature and Science, Volume 11, No. 22, January, 1873 Various 73 downloads
- Scientific American Supplement, No. 415, December 15, 1883 Various 72 downloads
- Lippincott's Magazine of Popular Literature and Science, Volume 12, No. 33, December, 1873 Various 72 downloads
- International Miscellany of Literature, Art and Science, Vol. 1, Various 70 downloads