Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| I Hear You Knocking (7") | MAM | MAM 1 | Germany | 1970 | |
| I Hear You Knocking / Black Bill (7", Single) | MAM | MAM 1 Y 50 | Belgium | 1970 | |
| I Hear You Knocking / Black Bill (7", Single) | MAM, MAM | 45-3601, MAM-3601 | US | 1970 | |
| I Hear You Knocking (7") | MAM | MAM 1 | UK | 1970 |