10 books
Address Delivered at the Anniversary Meeting of the Geological Society of London, on the 19th of February, 1858
Memoir of the Life of Major-General Colby ... Together with a Sketch of the Origin & Progress of the Ordnance Survey of Great Britain & Ireland ... - Primary Source Edition
Address delivered at the anniversary meeting of the Geological society of London
Papers on Geometrical Drawing; On the Arms in Use and Permanent Fortification, on the Attack and Defence of Fortresses, on Military Mining and the Defence of Coasts
Memoir of the Life of Major-General Colby; R.E., LL.D., F.R.S.L. & E., F.R.A.S., F.G.S., M.R.I.A., Etc Together with a Sketch of the Origin and Progre
Address Delivered at the Anniversary Meeting of the Geological Society of London, 1858
Memoir of the Life of Major-General Colby Together with a Sketch of the Origin & Progress of the Ordnance Survey of Great Britain & Ireland (Volume 3)
Report on the Geology of the County of Londonderry, and of parts of Tyrone and Fermanagh. [With maps and plates.]
Memoir of the Life of Major-General Colby
A Rudimentary Treatise on Geology