Architectural drawings relating to projects undertaken by Ian Ferrier, architect, with various iterations of his architectural firm, A Ian Ferrier and Associates, generally for the Catholic Church in Queensland.

Drawings for the Catholic Cathedral of St Joseph at Rockhampton by Hennessy, Hennessy & Co and Ian Ferrier, including floor plans, elevations and joinery details.

9 architectural drawings by Hennessy, Hennessy and Co for the completion of St Joseph's Cathedral, Rockhampton, including floor plans, elevations and sections.

Nine sketches of potential designs for the Chapel for the Holy Spirit Sisters and Holy Spirit Home at Aspley, including floor plans, elevations and perspectives. Three different designs are represented.

Drawings for the Home for the Aged for the Holy Spirit Sisters at Aspley and a chapel and extensions at the same site.

Fifty-one architectural drawings relating to the Church of the Immaculate Conception, Mirani, North Queensland for Reverend Father E Fraher, including sketch plans, working drawings and structural drawings relating to the roof.

Twelve sketch plans of the Church of the Immaculate Conception, Mirani, North Queensland for Reverend Father E. Fraher including exterior drawings, floor plans, and a drawing for an ambo.

Five drawings by A. Ian Ferrier for Proposed Home for the Aged for the Holy Spirit Sisters at Aspley, including site plan, laundry equipment layout, key layouts and confessional details.

Additional plans from the Ian Ferrier architectural drawings including:
• four plans relating to furnishings and alterations to an Oratory and Catholic Centre for the Most Reverend Father Rush DD, Bishop of Rockhampton, by A. Ian Ferrier, dated 1961 to 1968
• one drawing of regiment colours positioning at St Monica’s Cathedral, Cairns by A. Ian Ferrier and Associates dated August 1969
• one preliminary sketch plan of site layout for Home for the Aged at Ayr for the Burdekin Development Association by A. Ian Ferrier and Associates dated February 1971.
• one amended plan of Proposed Child Care Centre. YMCA Centre Acacia Ridge by Fulton Collin Boys Gilmour Trotter and Partners dated November 1974
• one design for candlesticks and candelabra for St John’s Cathedral, Brisbane by A. Ian Ferrier, Campbell & Struthers Pty. Ltd. Architects dated December 1976
• one ground floor plan of an unlabeled dual use residential/office building including a priest's bedroom on Emu Street, undated
• one full size detail of a crozier by A. Ian Ferrier, undated
• one sketch interior view of a church, unlabelled and undated
• nineteen fire damaged plans of various projects, labels and dates cut off

Forty-six architectural drawings for St Mary's Church, Gatton for Reverend Father J Cahill, including floor plans, elevations, sections, details, joinery plans and furniture designs.