Comprises: blueprint showing land owned by Captain Arthur Slatter prior to Joyce, c. 1911 plan showing proposed realignment of Athi River-Emali Road across farms LR 4902 and 4916, c. 1920s Machakos: Land subdivision map also showing Kiambu and Nairobi Districts, annotated, Colony and Protectorate of Kenya, 1.14" to 4 miles, 1924 Machakos: Land...

Correspondence, notes, cuttings, pamphlets, and reports. Subjects include species of trees planted on the farm with record of plantings (1935-1938), experimental plots, pest control, Kenya forestry policy; the literature is largely about tree planting on farms. Correspondents include the Kenya Arbor Society, Conservator of Forests, and Forest Officer. 97 leaves and five items.

Copy of mortgage agreement for purchase of F. O'B. Wilson's share of Kilima Kiu.

Correspondence and notes. Subjects include road from Mukaa Hills through the farm to Konza, maintenance of boundary with Reserve, incidents of illegal stock trespass and grazing, draining water, cutting trees, and poaching.

Correspondence. Subjects include education, religion, Maendeleo wa Wanawake, and the milk shelter at Ulu.

Includes applications by the African People's Party (APP) and Kenya African National Union (KANU) to hold political meetings at Kilima Kiu.