Firth J R : Land value taxation in practice : New South Wales and Sydney.
Firth James F James Francis : Historical memoranda, charters, documents, and extracts, from the records of the corporation and the books of the company, 1396-1848 [electronic resource] / Coopers Company, London.
Firth John B : The letters of the younger Pliny / translates and with an introductory essay by J.B. Firth.
Firth John D : Oxford textbook of medicine / edited by David A. Warrell, Timothy M. Cox and John D. Firth.
Firth Tim : Calendar girls [videorecording] / directed by Nigel Cole.
Firth W J : Lasers : physics, systems and techniques : proceedings of the twenty-third Scottish Universities Summer School in Physics, Heriot-Watt University, Edinburgh, August, 1982 / edited by W.J. Firth and R.G. Harrison.
Firth William : A saints monument, or, The tomb of the righteous : the foundation whereof was laid in a sermon preached at Knath in the county of Lincoln at the solemn interment of the corps of the right honourable and truly religious Lady Elizabeth, wife of the right honourable Francis, Lord Willughby, Baron of Parham, March 26, 1661, and since finished : whereunto is annexed her exemplary and unparalleled conversation / by Wil. Firth, M.A. and chaplain to the right honourable Francis Lord Willughby, Baron of Parham.