Papers of the Agricultural and Economic Research Institute at Amani, consisting of:
- Copies of reports sent to the administration in Dar-es-Salaam by the Director of the Institute, Alleyne Leechman, 1920-1
- Papers of the Director, including monthly reports submitted to him by the head gardener, 1921-5
- Monthly reports of the head gardener, 1926-8, with lists of seeds available from the Institute, 1922-6, n.d.
- Correspondence of the Director concerning the distribution of seeds, 1920-3