The following is a selection of references, to be added to progressively.
Some early materials
Blaxland, Gregory, A Journal of a Tour of Discovery across the Blue Mountains, New South Wales, in the Year 1813, with references and explanatory notes, maps, etc. by Frank Walker, [Sydney, S.T. Leigh & Co., printers, 1913?].
Anon. [James O’Hara], The History of New South Wales, London, J. Hatchard, 1817; 2nd ed., 1818.
[Evans, George William; Turpin, Mary Lemprière], The First Crossing of the Blue Mountains, New South Wales, by George William Evans, Deputy Surveyor General of New South Wales, 30th November 1813, compiled by his daughter, Mary Lemprière Turpin, née Evans, [Sydney?], [publisher?], c. 1913.
Anon., Crossing the Blue Mountains: Journeys through Two Centuries, from Naturalist Charles Darwin to Novelist David Foster, Potts Point NSW, Duffy & Snellgrove, 1997.
Brownscombe, Ross (ed.), On Suspect Terrain: Journals of Exploration in the Blue Mountains 1795-1820, Brighton East VIC, Forever Wild Press, 2004. Including original materials, some previously unpublished. Reviewed: Network Review of Books (The Australian Public Intellectual Network), March 2005 (Paul Genoni).
Cameron, Bruce, ‘Sun Valley’, Dictionary of Sydney, 2008. Including reference to evidence of Aboriginal inhabitants in the Blue Mountains. Sun Valley is near Springwood. Cf. Bruce Cameron, Sun Valley and Long Angle Gully: A History, Valley Heights NSW, the author, 1998.
Cunningham, Chris, The Blue Mountains Rediscovered: Beyond the Myths of Early Australian Exploration, Kenthurst NSW, Kangaroo Press, 1996.
Currey, C.H. ‘The First Crossing of the Blue Mountains by Governor and Mrs Macquarie and the Foundation of the City of Bathurst on May 7, 1815’, Journal (Royal Australian Historical Society) 41.3, 1955.
Ellis, M.H., Lachlan Macquarie, Sydney, Angus and Robertson, 1978.
Havard, W.L. (ed.), ‘Gregory Blaxland’s Narrative and Journal Relating to the First Expedition over the Blue Mountains, New South Wales’, Journal and Proceedings (Royal Australian Historical Society), 23.1, 1937, 28-42.
Havard, W.L., and B.T. Dowd, Historic Glenroy, Cox’s River, Hartley N.S.W., [Blaxland NSW], Blaxland Shire Council, . Online presentation of text and images, The Lithgow, Hartley Town and Around Website.
Houison, J.K.S., ‘John and Gregory Blaxland’, Journal and Proceedings (Royal Australian Historical Society), 22.1, 1936, 1-41.
Lee, Ida, Early Explorers in Australia: From the Log-Books and Journals, Including the Diary of Allan Cunningham, Botanist, from March 1, 1817, to November 19, 1818, London, Methuen, 1925, chap. XV, at p. 489. ‘Cunningham Reaches Pandora’s Pass’. Brief description of Allan Cunningham’s journey over the Mountains, September 1822. A transcript online.
Low, John, ‘A Rude, Peculiar World: Early Exploration of the Blue Mountains’, in Peter Stanbury (ed.), The Blue Mountains: Grand Adventure for All, Sydney, Macleay Museum, University of Sydney, 1985; 2nd ed., Sydney, Macleay Museum/ Second Back Row Press, 1988.
Mackaness, George (coll. and ed.), Fourteen Journeys over the Blue Mountains of New South Wales, 1813-1841 (Australian Historical Monographs, New Series, 22-24), 3 vols., Sydney, Mackaness, 1950; repr., Sydney, Horwitz-Grahame, 1965.
Macqueen, Andy, Somewhat Perilous: The Journeys of Singleton, Parr, Howe, Myles and Blaxland in the Northern Blue Mountains, Wentworth Falls NSW, A. Macqueen, 2004.
Persse, Michael, ‘Wentworth, William Charles (1790–1872)’, Australian Dictionary of Biography, vol. 2, 1967, and online.
Pulver, W[orters] R[eadett], Notes on the First Crossing of the Blue Mountains, 1813, The Institute [The Northern Engineering Institute of New South Wales], 1913.
Ritchie, J., A Biography of Lachlan Macquarie, Melbourne, Melbourne University Press, 1986.
Ross, Valerie, The Everingham Letterbook: Letters of a First Fleet Convict, Wamberal, Anvil Press, 1985.
Scott, Ernest, Australian Discovery, London, Dent, 1929; repr., New York, Johnson Reprint Corporation, 1966. Online (Project Gutenberg).
Stockton, Eugene (ed.), Blue Mountains Dreaming: the Aboriginal Heritage, Winmalee NSW, Three Sisters Productions, 1993; 2nd ed., ed. Eugene Stockton and John Merriman, Lawson NSW, Blue Mountain Education and Research Trust, 2009.
Thomas, Martin, The Artificial Horizon: Imagining the Blue Mountains, Carlton VIC, Melbourne University Press, 2003. Reviewed, Network Review of Books (Australian Public Intellectual Network), February 2004 (Paul Genoni).
The above details are based on information to hand.