RB Russell, General Secretary, One Big Union, Winnipeg, to J Kavanagh, offerring an organising position with the Central Labor Council at Port Arthur and Fort William, 25 Oct 1923; Geo H Brown, State President, NSW 'A' Branch, Federated Ironworkers' Association, to J Kavanagh, re Kavanagh's application for membership of the Balmain Branch of the FIA Hector Kavanagh to Edna Kavanagh, 31 May 1950; Prof N W G Macintosh, Dept of Anatomy, University of Sydney, to J P Kavanagh, re leaving his body after death to the University, 19 July 1956; OAPO (an overseas old age pensioners' organisation?), farewell card (to Jack Kavanagh), no date; Lynne Hockayday to J Kavanagh, birthday greeting card, no date; letter and family tree to Charlotte ?, 29 July 1979.