C. Hatchett. An analysis of the earthy substance from N.S.W. called Sydneyia or Terra Australis (48ff.) Unit ID: f. 45
Circumnavigating Dredging (Challenger) Committee, 04 April 1872-06 November 1872 Unit ID: f. 29-38 Date: 1872-04-04/1872-11-06