Letters relate to Gaden's life, particularly his exploring trip with Dr. Wilkin circa 1854; Gaden's sister, C. Davidson, also speaks of her husband's adventures in north Queensland in the 1880s.

Letter 1923 Jan 12 to W.J. Gall re: books and papers relating to his father, Robert Logan Jack; also origin of place-name Almaden, Queensland.

Letter concerns author's inability to find copy of book by Jack Hoolan.

Letter 1935, Dec 29 to W.J. Gall enclosing photographs, thanking him for a gift, together with a Christmas card, with photograph. Also letter, 1932 July 14 to W.J. Gall thanking him for reports sent (typescript, signed by L. Worthington-Wilmer, Private Secretary)

Letter concerns early residents of the Gregory River and Burketown districts, including G. Phillips and R. Edkins.

Two typescript letters, signed by T. J. McCarthy, concerning an autograph book being prepared for Stopford's grandson.

Letters (16) 1922-1928 to W.J. Gall re: collecting of Australiana; 1923 Apr 18 re: Hume's search for Leichhardt expedition, 1924 Apr 1, 10 re: death of A. Meston, proposed bibliography of his works; 1928 Dec 31 re: demonstration at the Italian Consulate in Innisfail.
Also 2 letters to Steve [nephew], 1959, re: William Gall's collection of books and papers. Also includes 2 letters [1965 17 Aug, 1 Nov] to Cecil Hadgraft re: papers of A.G. Stephens.

4 handwritten letters by H.J.J. Sparks, Honorary Secretary, Oxley Memorial Library : One letter (draft copy) concerns the Oxley Library Commitee's recommendation for the purchase of Mr. P. Forrest's private library of Australian books ; 3 letters give notice of monthly meetings of the Oxley Library Committee. Also one typescript circular letter giving notice of monthly meeting.

Letter concerns George Phillips, surveyor with the Lands Department from 1865, who accompanied explorer William Landsborough in an expedition from Bowen Downs.