Cust, Robert Needham. A Sketch of the Modern Languages of Africa. Vol. 1. London: Trübner, 1883.
Excerpts:
Source: Digitale-Sammlungen.de
Archives with manuscripts by R.N. Cust
British Library: Asian and African Studies (London):
- R.N. Cust, “corresp and misc papers” (MSS Eur E 182)
British Library: Manuscript Collection (London):
- R.N. Cust, “diaries” (Add MSS 45390-406)