This series consists of index cards of Commonwealth heritage buildings in South Australia. The cards are arranged alphabetically within the following subdivisions:
Australian Railways, Aboriginal Affairs, CSIRO, Conservation areas, Customs, Defence - Air, Defence - Army, Defence - Navy, DOLGAS, Primary Industry, Social Security, Telecom, Transport & Veterans Affairs.
The index consists of white lined cards, headed location, asset no. building, built, architect & contractor. Each card has a provision for entries for the following: national trust classification; on register of national estate; within a conservation park; within an urban conservation park; state heritage listing; significance; special features; building details; alterations & extensions; related files & documents.
The property names and details are written in red & blue ink & pencil.