Greg, Robert Philips, 1826-1906. Manual of the mineralogy of Great Britain & Ireland. By Robert Philips Greg, F. G. S., and William G. Lettsom. - London, J. Van Voorst, 1858. - xvi, 483 p. diagrs. 23 cm. Bibliography: p. viii-ix. LCCN: gs 05000480 Subjects--Topical Terms: Mineralogy--Great Britain. LC Class. No.: QE381.G7 / G8