Birrell worked for the Commonwealth Works Department in Melbourne, Canberra and Darwin. There are 25 jobs represented in this subseries.

Drawings by Structural Engineer Job 629A (1964), Job 629C (1965) ; Electrical Engineer Job 1126 (1966), Job 1124 (1964), Job 1150 (1965), Job 1152 (1965), Job 1122 (1964).

5 drawings for work on various buildings at Moggill Farm, ink line drawings on tracing paper, by James Birrell and Partners, 6 May 1966 to Sep 1966.

Job no. M3 Preventative Medicine Laboratory consists of 11 working drawings, ink line drawings on tracing paper, sheets are numbered sequentially 1 to 11, and dated 1964 to 1965.

Job no. M.F.1-81 Animal Breeding Centre consists of: [Items 1-6] 6 working drawings, ink line drawings on tracing paper, sheets are numbered sequentially 1 to 6 and dated Sep/Oct 1965; (Items 7-8] 2 drawings without sheet numbers, ink line drawings on tracing paper dated Apr 1965; and [Item 9] 1 volume with the same 6 working drawings on paper and stapled together.

Job MF.1.80 Animal Husbandry Student Research Laboratory and Animal Breeding Centre consists of 11 working drawings; ink line drawings on tracing paper; sheets are numbered sequentially 1 to 11; dated Sep/Oct 1965; title block has the University of Queensland with J. P. Birrell as University Architect.

Drawing titled Immediate Plan for Moggill Farm, with buildings and contour lines; ink line drawings on paper; J. P. Birrell as University Architect; dated Feb 1964. Accommpanied by 2 drawings with contour lines for the Farm.

Job no. MF.2 has two sketch plans for Proposed Preventative Medicine Laboratory: drawings are ink line drawings on tracing paper; have the University of Queensland title block with J. P. Birrell as University Architect; dated 22 Jun 1964; Sheet no. 16 and 17.

Job no. MF.1 has plans for two buildings: the Proposed Animal Research Laboratory at Moggill Farm; and Staff and Student Facilities and Administration Building. All drawings are ink line drawings on tracing paper, have the University of Queensland title block with J. P. Birrell as University Architect.

13 plans for the Goondiwindi Clinical Centre. The Pastoral Veterinary Centre of the Department of Veterinary Clinical Studies, University of Queensland, at Goondiwindi opened in 1965 and closed 31 December 2011. Plans comprise:
[Item1] Job no. U Working drawings for the Pastoral Clinical Centre Goondiwindi; 1 volume of 8 plans stapled together; the first seven drawings are for Job no. U with sheets numbered sequentially from 6 to 12; dated Oct and Nov 1964; the final plan is from Consulting engineers Dardno and Davies, job/drawing number 2-629B; Oct 1964.
[Item 2] Job no. U/14 Veterinary Pastoral Centre at Goondiwindi for the Department of Clinical Studies - First laboratory block; 10 Dec 1965.
[Item 3] Drawing no. 1041 University of Queensland Pastoral Clinical Centre Goondiwindi Electrical installation, contractor is H. Platt & Associates (Consulting Engineering), dated 6 Nov 1964.
[Item 4] Drawing no. AB6033/B1 University of Queensland Qld Pastoral Clinical Centre - G'Windi. Air conditioning system, contractor is Andrew Barton & Co. Pty Ltd, dated 2 Jun 1965.
[Items 5-6] Drawings by Cardno and Davies (Consulting engineers) for the Goondiwindi Clinical Centre, dated 29 Oct 1964.