1. Clemson, Thomas G. Papers - William F. Clemson to Elias Baker. 1840, 1844 - 1846, 1854 - 1858 Institution: Clemson University Libraries
2. Clemson, Thomas G. Papers - Thomas Green Clemson to Elias Baker. 1840 - 1842, 1848, 1852 - 1855 Institution: Clemson University Libraries