William Bald, F.R.S.E., c.1789-1857 : surveyor, cartographer and civil engineer /
Storrie, Margaret C.
[London] :  Institute of British Geographers, 
[1969]
Reprinted from Transactions and papers of the Institute of British Geographers, 1969, publication no. 47, pp. 205-231.
Bald, William.