Donkin, Rufane: Dissertation on the course and probable termination of the Niger. London : John Murray, 1829
- PDF Front cover
- PDF Title page
- PDF To Field Marshal His Grace the Duke of Wellington, K. G. First Lord of the Treasury, &c. &c. &c.
- PDF Notice concerning the two out line-maps accompanying this dissertation.
- PDF The doubts which [...] have hung over the course and termination of the Niger [...].
- PDF On Ptolemy and his geography of Central Africa.
- PDF On the Congo, or Zaire.
- PDF Some observations on the African geography of Monsr. d' Anville and Major Rennell.
- PDF Additional notes.
- PDF Postscript.
- PDF [Maps.]
- PDF Errata.
- PDF To the binder.
- PDF Back cover