| Series | Control Symbol | Title | Contents dates |
|---|---|---|---|
| PP530/1 | 1970/1783 | Amplifiers linear (radio frequencies) technical correspondence and data types AM20, AM17 and AM22's [Department of Transport, Air; Civil Aviation] | 1968 - 1972 |
| PP530/1 | 1970/2847 | Jandakot Airport [Department of Transport, Air; Civil Aviation] | 1968 - 1972 |