He was a cheerful, round faced man with white hair and a slight stoop and always walked as if he had just dismounted from a horse.

Verandah - he had lost a thumb, hacked off by a Pathan in a charge in some Frontier war. Mother told me he never even noticed it till the battle was over. Mrs Stack ... a tall, spare, very upright, elderly lady with grey hair pulled back in a knot at the back of her head. ....... a voice which seemed destined to command cohorts of underlings ...... She had a fine seat on a horse and always wore breeches and stockings about the farm. She looked unnatural in a skirt. ...... The Colonel had a stud of Arab horses.   

Debrett - entered Dragoon Guards 1888, and became Lieut.-Col. Indian Army 1914; retired 1920; served with Miranzai Expedition 1891 (medal with clasp), in China 1901 (medal), and in Mesopotamia 1914-16 (despatches, CMG, Serbian Order of the White Eagle)

EA Stud Book 1954 - Arabian Brood Mares - Lt.Col. C.S. Stack (1934)(1929)(1936)(1940)(1933)(1934)

EA Stud Book 1954 - Arabian Stallions - Owners - Lt.Col. C.S. Stack, Mau Summit

Foster - Died 1944

Barnes - Nakuru North Cemetery - Charles Spottiswoode Stack, born 28/9/1868, died 13/1/1943

Barnes - Nakuru North Cemetery - Mary Nina Stack, wife of Charles Spottiswoode Stack, born 10/12/1864, died 8/3/1943

Gazette - 7/3/1933 - Dissolution of partnership between Lt-Col Charles Spottiswoode Stack and Commander Roger Vincent de Halpert RN carrying on business as farmers at Mau Summit - business to be carried on by Lt-Col Charles Spottiswoode Stack