Books about Science -- Periodicals (sorted by popularity)
- Scientific American Supplement, No. 484, April 11, 1885 Various 60 downloads
- Appletons' Popular Science Monthly, April 1899 Various 60 downloads
- Lippincott's Magazine of Popular Literature and Science, Volume 11, No. 24, March, 1873 Various 59 downloads
- Scientific American Supplement, No. 799, April 25, 1891 Various 59 downloads
- Scientific American Supplement, No. 275, April 9, 1881 Various 58 downloads
- Scientific American Supplement, No. 324, March 18, 1882 Various 58 downloads
- Scientific American Supplement No. 819, September 12, 1891 Various 58 downloads
- Scientific American Supplement, No. 595, May 28, 1887 Various 57 downloads
- Lippincott's Magazine of Popular Literature and Science, Vol. 20, No. 33, November 1877 Various 56 downloads
- Lippincott's Magazine of Popular Literature and Science, Volume 20. December, 1877 Various 56 downloads
- Lippincott's Magazine, October 1885 Various 55 downloads
- Scientific American, Volume 22, No. 1, January 1, 1870 Various 54 downloads
- Scientific American Supplement, No. 488, May 9, 1885 Various 54 downloads
- Scientific American Supplement, No. 392, July 7, 1883 Various 53 downloads
- Scientific American Supplement, No. 299, September 24, 1881 Various 53 downloads
- Scientific American Supplement, No. 362, December 9, 1882 Various 53 downloads
- Proceedings of the California Academy of Sciences, Volume III, 1863-1867 Various 52 downloads
- Appletons' Popular Science Monthly, January 1899 Various 51 downloads
- Lippincott's Magazine of Popular Literature and Science, Volume 12, No. 31, October, 1873 Various 50 downloads
- Scientific American, Volume 17, No. 26 December 28, 1867 Various 50 downloads
- Scientific American Supplement, No. 385, May 19, 1883 Various 50 downloads
- Scientific American Supplement, No. 303, October 22, 1881 Various 50 downloads
- The Kansas University Quarterly, Vol. I, No. 1 (1892) Various 50 downloads
- The American Journal of Science and Arts, Volume 50 (First Series) Various 49 downloads
- Appletons' Popular Science Monthly, January 1900 Various 49 downloads