Correspondence of Sladen to F. Butterworth, 29 May 1913-03 June 1913 Unit ID: SLA. 39/142 Date: 1913-05-29/1913-06-03
Correspondence of Sladen to World Wide Magazine, 28 May 1913-03 June 1913 Unit ID: SLA. 39/140 Date: 1913-05-28/1913-06-03
Correspondence, Sladen to A. Fisher and Sladen to G.G. McCrae, 1920-02-08 Unit ID: SLA. 18/215 Date: 1920-02-08
Cuttings concerning acquisition of Captain Cook relics by N.S.W. Government Daily Telegraph (Sydney), n.d. Unit ID: SLA. 1/241-42 Date: n.d.