The Pennsylvania Manual contains a wealth of information about the Commonwealth, its history, governmental institutions, and elections. It was originally published as Smull’s Legislative Handbook starting in 1860. The Commonwealth took over the manual’s publication in 1923.
The following are links to online editions of the Pennsylvania Manual.
2009, 2007, 2005, 2003, 2001
1999, 1997, 1995, 1993, 1991
1969, 1967, 1965, 1963, 1961
1918, 1917, 1916, 1915, 1914, 1913, 1912, 1911, 1910
1909, 1908, 1907, 1906, 1905, 1904, 1902, 1901, 1900
1899, 1898, 1897, 1896, 1895, 1894, 1893, 1892, 1891, 1890
1879, 1878, 1877, 1876, 1875, 1874, 1873, 1871, 1870
Pennsylvania Data Lab 