Tylden, Richard, 1819-1855, Fawler, Charles J. Sketch shewing the sites and relative positions of Ordinance and other Government works constructed in British Kaffraria (incl. notes on the construction of new posts and and distribution of troops at the posts) ; taken from a survey by Capt. Tylden by Chas J. Fawler, R.W., LieutRoyal Engineers, 26th Sept. 1853.. 1853.

Tylden, Richard, 1819-1855. Sketch of proposed extension of the Gaika boundary from a sketch by Major Tylden, Royal Eng.. 1853.