Fonds consists primarily of material related to Rush's activities as a leader of the CCP, political activist and writer in Vancouver from 1935 to 1996. There is also a personal/biographical series of records which detail the events of Rush's life. Other textual series in this fonds contain drafts of Rush's writings and public speeches, his correspondence, his reports and speeches to party conventions, and his published materials. There is a photographs series which details Rush's various editorial political trips to socialist countries during the Cold War. The memorabilia series also contains material related to Rush's trips abroad. There are pins, medals and commemorative coins from China, Vietnam and the Soviet Union. Finally, an audiocassette series contains recordings of some of Rush's speeches during the 1970s and 1980s.