Architectural plans of residential and commercial buildings. Also includes bills of quantities, client files, specification files, job files, miscellaneous papers of A.B. Wilson and R.M. Wilson, and card index of plans by plan numbers, job numbers, and client names. Includes several plans by Alfred Banks.
Also includes rare poster "Victoria Skating Rink, Sandgate". Includes plan of 'University site, St. Lucia. Proposed design', by R.W.J. Hawken, 1929.
Professor Hawken and Alexander Wilson were members of a committee established in 1921 to determine a site for the University of Queensland.

Architectural drawings of residential and commercial buildings, job files, incoming and outgoing correspondence, photographs and research material for his book on Walter Burley Griffin. Includes plans by Scorer and Scorer which Birrell obtained when he purchased the firm in 1966. The architectural drawings in this collection include those from his student days, his time with the Commonwealth Department of Works, the Brisbane City Council, the University of Queensland (as University Architect), and his private practices. Drawings for buildings not constructed are also in this collection.

The Geology Annex, the Chemistry Annexe and the Western Arts Building were part of a master planning concept. They shared the structural and construction concept developed by Birrell and Antony Tod (structural engineer). None of the proposals were built.

The Geology Annex was submitted with the proposals for the Chemistry Annex and the Western Arts Building to the Australian Universities Commission (A.U.C.) in 1965, and rejected. It was to be situated behind the exiting Geology building, along Circular Drive (now named Staff House Road) between the Physics Annex and the bookshop. It was designed with basement, ground and first to fifth floors. It was resubmitted to the A.U.C. in 1966 and rejected again. This file comprises 16 plans for the proposed geology annex, including pilot plans, elevation, perspective views, floor plans for each level, as well a master planning conception drawing, massing considerations drawing and sketches of Geology annex view from Lake, the North East and from within the court (or intimate space as referred to on one of the concept drawings). One pilot plan dated March 1965.