96 black and white prints, 5 black and white prints mounted on board, 5 colour images, 10 negatives, featuring buildings by Hayes and Scott and employees of the firm.

Magazine and newspaper articles of interest to the firm, mostly featuring photographs of buildings and floorplans. Titles of magazines include 'The magazine of building', 'Art in Australia', 'Architectural design', 'Architectural forum', 'Time', 'House and home', 'Progressive architecture'.

Architectural drawings for the Priest's Residence for St Columban's Mission, Toowong (now demolished), including sketch plans, working drawings and joinery plans.

530 negatives.

These papers include correspondence received by Karl Langer before his marriage to Gertrude Langer, some literary manuscripts other personal documents, as well as architectural drawings for their house at 396 Swann Rd, St Lucia. They also include records relating to a few projects current at the time of Karl Langer’s death, as well as a few business records, including staff cards.

Posters publicising The University of Queensland's architectural revues from 1965 to 1969, and topical posters of the era.

Ten typescript book reviews of non-fiction books, 3-4 pages each, for the Australian Broadcasting Commission’s (ABC’s) Books for comment programme, second half of 1969. Includes: two drafts with emendations; and eight final scripts with an ABC ‘With compliments’ slip attached.
Typescript titled 'The Poetry of John Bligh' on foolscap paper headed Australian Broadcasting Commission, no date. 14 pages.

162 colour 35 mm slides featuring buildings of Hayes and Scott.

The majority of this series comprises drawings and essays produced by Douglas McKay for assessment purposes during his architecture degree at The University of Queensland. While some of McKay's student drawings are conventional architectural plans, others are mixed media works which feature photographs and/or newspaper cuttings. The series also contains drawings created by McKay for commercial firms while he was a student, and drawings created for a competition.

Material includes academic dress worn by Father Edward Leo Hayes when he received an honorary Master of Arts in 1967, a whiskey bottle presented to Father Hayes by General Douglas McArthur and an illuminated and illustrated poem by artist Ella Lilian Pedersen.