At the Circulating Library Publisher Information: Routledge
Publisher: Routledge
Alternate Name(s): George Routledge and Sons
Primary Location: London
History: Founded by George Routledge (1812–1888) in 1836.
References: Anderson; DNB; Sutherland
Number of Titles Published by Routledge:
| 1847 (1 titles) | 1850 (2 titles) | 1851 (3 titles) |
| 1852 (3 titles) | 1853 (9 titles) | 1854 (14 titles) |
| 1855 (14 titles) | 1856 (5 titles) | 1857 (11 titles) |
| 1858 (12 titles) | 1859 (16 titles) | 1860 (8 titles) |
| 1861 (12 titles) | 1862 (4 titles) | 1863 (5 titles) |
| 1864 (2 titles) | 1865 (9 titles) | 1866 (8 titles) |
| 1867 (6 titles) | 1868 (9 titles) | 1869 (2 titles) |
| 1870 (3 titles) | 1871 (3 titles) | 1872 (1 titles) |
| 1873 (11 titles) | 1874 (7 titles) | 1875 (1 titles) |
| 1876 (5 titles) | 1877 (8 titles) | 1878 (5 titles) |
| 1879 (7 titles) | 1880 (4 titles) | 1881 (7 titles) |
| 1882 (4 titles) | 1883 (8 titles) | 1884 (7 titles) |
| 1885 (7 titles) | 1886 (7 titles) | 1887 (11 titles) |
| 1888 (6 titles) | 1889 (6 titles) | 1890 (3 titles) |
| 1891 (10 titles) | 1892 (4 titles) | 1893 (6 titles) |
| 1894 (10 titles) | 1895 (6 titles) | 1896 (8 titles) |
| 1897 (12 titles) | 1898 (8 titles) | 1899 (9 titles) |
| 1900 (5 titles) | 1901 (2 titles) |