- American Slavery and Finances, Volume 1; Volume 9
- Speech Of The Hon. Robert J. Walker ... At The Banquet Given By The Mayor & Municipal Authorities Of Southampton To M. Lewis Kossuth ...
- American finances and resources. Letter[s] no. I-V, of Hon. Robert J. Walker ..
- Review of Secretary Walker's reports.--1849
- Inaugural Address of R.J. Walker, Governor of Kansas Territory: Delivered in Lecompton, K.T., May 27, 1857.