| May 1970 | Portugal | Threshold TH 4 | Question / Candle of Life |
| OTHER ISSUES OF THIS RECORD: |
| 1970 | Australia | Threshold TH.9144 | Question / Candle of Life |
| May 1970 | Belgium | Threshold TH2.001Y | Question / Candle of Life |
| May 1970 | Canada | Threshold TH 67004 | Question / Candle of Life |
| 1970 | Denmark | Threshold TH 4 | Question / Candle of Life |
| May 1970 | France | Threshold TH 4 B | Question / Gipsy |
| May 1970 | Germany | Threshold TH 4 | Question / Candle of Life |
| May 1970 | Holland | Threshold TH 4 | Question / Candle of Life |
| 1970 | India | Threshold TH 4 | Question / Candle of Life |
| May 1970 | Italy | Threshold TH 4 | Question / Candle of Life |
| Jun 1970 | Japan | Threshold TH-3 | Question / Candle of Life |
| May 1970 | New Zealand | Threshold TH 4 | Question / Candle of Life |
| May 1970 | Portugal | Threshold TH 4 | Question / Candle of Life |
| 1970 | South Africa | Threshold FM 7461 | Question / Candle of Life |
| May 1970 | Spain | Threshold MO 1005 | Question / Candle of Life |
| 1970 | Sweden | Threshold TH 4 | Question / Candle of Life |
| Apr 24, 1970 | United Kingdom | Threshold TH 4 | Question / Candle of Life |
| 1984 | United Kingdom | Old Gold OG 9348 | Question / Candle of Life |
| May 1970 | United States | Threshold 45-THS-67004 | Question / Candle of Life |
| May 1970 | United States | Threshold 45-THS-67004 DJ | Question / Candle of Life |
| 1975 | United States | Threshold 5N-67004 | Question / Candle of Life |
| 1982 | United States | Deram/Polygram 5N 67004 | Question / Candle of Life |
| Nov 1989 | United States | Threshold 882 126-7 | Question / Candle of Life |
| May 1970 | Yugoslavia | Threshold/Jugoton SDE-8387 | Question / Candle of Life |
