Letters from George Reid and references to him can be found in the papers of Edmund Barton, Samuel Griffith and William McMillan.

Holdings include:

MLMSS 7515X
Barton, Sir Edmund, letters and papers, 1831–1905.

MLMSS 249
Barton, Sir Edmund, papers, 1868–1919. For guide and index to correspondents see MLMSS 249/1-5.

MLMSS 1901
Barton, Sir Edmund, letters received, 1894–1916 – with an annotated printed page of preamble to the Federal Convention of 1898. Also includes pictorial material.

MLMSS 363
Griffith, Sir Samuel Walker, papers, 1851–1922 – correspondents include Barton and William Morris Hughes.

MLMSS 2958
Sir William McMillan, correspondence, 1889–1901 – with roll of members of the Australasian Federal Convention, 1897.

See the State Library of New South Wales website.