This is a series of 5 collections of historical periodicals. Series 1 includes over 500 titles from 1691-1820; Series 2 over 1,000 titles from 1821-1837, Series 3 over 1,800 titles from 1838-1852, Series 4 over 1,100 titles from 1853-1865, and Series 5 over 2,500 titles from 1866-1877.