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.

Fifteen architectural drawings for St Finbarr's Church, Quilpie, by A. Ian Ferrier and Associates including sketch floor plan, section and perspectives, working floor plans, site plans, elevations, sections and glazing schedule, and undated joinery details and elevations.

Twenty-six architectural drawings for St Columba's Church and Presbytery at Charter's Towers for Reverend A Ryan including sketch plans, floor plans, site plans, elevations, sections, joinery plans, roof plans and electrical layouts.

Three ink line drawings on paper. From the Title Block: AH Conrad & TBF Gargett. Client: Anglican diocese of Brisbane. Brief: Design and documentation. Completed during Thiedeke's fourth year (of a six year course) of architectural studies with the firm AH Conrad & TBF Gargett (aka Conrad Gargett). Conrad Gargett practised active engagement and on site training for their intern students. This was Thiedeke's first project from concept to finished building, including specification and contract administration. It was influenced by Frank Lloyd Wright. It received an Enduring Architecture award in 2018. The structure was steel frame, stone clad walls and copper roof sheeting. It was built in 1964. Also called the Chapel of the Good Shepherd, it is at 39 Eldernell Terrace, Hamilton, Queensland.