The City of Parramatta Council Archives hold the following correspondence records:

Correspondence files – Blacktown Municipal Council (1957-1972)
Correspondence files - Granville Municipal Council (1924-1949)
Correspondence files – Parramatta Municipal Council/Parramatta City Council (1892-1949)
Correspondence registers – Dundas Municipal Council (1915-1949)
Correspondence registers – Ermington & Rydalmere Municipal Council (1927-1949)
Correspondence registers – Granville Municipal Council (1918-1948)
Correspondence registers – Parramatta Municipal Council/ City Council (1872-1950) [partly digitised]
Correspondence registers – Parramatta City Council (1966-1990s)
General Correspondence – Dundas Municipal Council (1923-1932)
Letter Books – Dundas Municipal Council (1890-1915)
Letter Books – Parramatta Municipal Council/Parramatta City Council (1862-1939)

Research our Council Archives collection in detail here