MS Q426 inward correspondence, Gregory papers, Dixson Library, State Library of New South Wales, Sydney.For a copy of the above letter see No. 57/480, 4/3351 letters received, Colonial Secretary's Department, Archives Authority of New South Wales, Sydney. See also M to A. Gregory, 14 January 1857
No. 459, vol. 1857 V, VPRS 1168 inwards correspondence registers, VA 475 Chief Secretary's Department, Public Record Office, Victoria.This letter was also registered in the Public Works Department as No. 420, unit 3, p. 54, VPRS 963, PROV