North - Uganda Railway - Asst. Engineer; wife travelled from coast to Kikuyu with the Rev G.L. Pilkington CMS caravan Dec 1896; District Engineer; Kiboko swamp 1899

Curtis - p. 40 - 16/8/1899 - '..... We reached railhead about mid-day, where we were very hospitably entertained by Mr Stallibrass and Captain Ryall, who gave us an excellent lunch. .....  We decided to go as far as this place, Lemoro, Mr Snowdon's camp, and as Captain Ryall was going there too, we journeyed together. ..…

North - From Maldon, Essex; 'Worthless …. a low cast couple …. Cruickshank, Snowden and Boyce are the 3 biggest fools on the Railway' (McGregor-Ross, RH)

E Af and Uganda Mail 23 Mar 1901 Makindu Railway Institute. Mr and Mrs Snowden, who are the life of Makindu town and very general favourites, gave their first dance at the Railway Institute on 2nd March. It is thought these social gatherings will be kept up monthly hereafter.