The long-playing records contain transcriptions of recordings originally made by wire and tape recorders concerning the defection of V M Petrov from the Soviet Embassy in 1954.
 
The recordings are of conversations, speeches and Parliamentary broadcasts. Letter prefixes distinguish particular groups of records - e.g. RC (Royal Commission on Espionage) and P (Parliamentary Debates and other Royal Commission on Espionage material), and a single number distinguishes each record within the group.
 

Quantity in agency custody
1m held by CA 1297, Australian Security Intelligence Organization

This series contains audiovisual formats. As audiovisual formats are either redundant or susceptible to deterioration, some items in this series have been copied to ensure their preservation. Preservation copying involves the creation of preservation, duplicating and reference copies. These copies can be found in the following series:

Preservation copies: C5470, Audio preservation copies of A6281, Long-playing gramophone records relating to the Royal Commission on Espionage, Alpha-numeric series.

Duplicating copies: C5471, Audio duplicating copies of A6281, Long-playing gramophone records relating to the Royal Commission on Espionage, Alpha-numeric series.

Reference copies: C5472, Audio reference copies of A6281, Long-playing gramophone records relating to the Royal Commission on Espionage, Alpha-numeric series.