One photograph of the model of Waltzing Matilda plaques.

Architectural plans: 3 architectural drawings (99 x 66 cm and smaller). 1 plan is title Department of Education Building and has details for art gallery spaces; the other two are sheets number 7 and 8 for Mount Saint Josephs Convent, Nundah (architect H.S. MacDonald). 3 drawings of details for panels for Qantas commencing operation in Winton in November 1970: 3 x pencil on paper ; 167 x 56 cm and smaller. These three drawings form part of the sand blasted glass panels designed by Mayo for the North Gregory Hotel in Winton (1954-1955).

46 letters from Bill and Lila Mayo to their daughter Daphne from 4 January to 27 December 1953.

Oil on paper: Three portrait studies of an elderly woman.

Exercie book (cover missing) with first three pages listing names and addresses. Daphne Mayo's addresses: 4 Montana Flats, 8 Wulworra Avenue, Cremorne Point. Exercise book used as a ledger to record transactions for the rental property consisting of 3 flats, studio and a cottage, associated expenses, money banked, weekly rent. Transactions are from 1 Sep 1952 to 21 Apr 1956. Handwritten note on third page with dates of her parent's deaths. Note on page recording Arpil 1956 transactions says: "1956 Friday 27th April flats were transferred to Wottons & £7000 was paid to me". Records are less comprehensive from this date. The last dated entry was 21 Feb 1959.

Oil on paper on card: Portrait of a man seated (possibly Artist’s father?)

Oil on paper: Head of man, lower right 'October/52'.

76 letters from Bill and Lila Mayo to their daughter Daphne from 4 January to 30 December 1952.

Oil on paper on card. Female portrait in profile, Sep 1952.

Oil on paper on card: Portrait of an elderly woman (possibly the artist’s mother)