See Libraries and Mechanics' Institutes.
STATE LIBRARY OF VICTORIA - MANUSCRIPTS COLLECTION
The collection is searchable through the library catalogue.
TROVE - DIARIES, LETTERS, ARCHIVES
- Unpublished (includes content from the Australian Joint Copying Project (AJCP), letters, diaries, handwritten notes, personal photographs, scrapbooks, draft manuscripts and organisational records)
- Published (includes biographical files of press clippings, ephemera collections such as menus, programmes and advertising material and organisational documents)
- Government publications (includes published reports and reviews on subjects of interest to community organisations for their records)
To find these using keywords: use the pulldown menu to do a specific search for "Diaries, Letters, Archives".