Tracklist
| Sometimes | 4:50 | |
| Goodbye Toulouse | 3:12 | |
| London Lady | 2:25 | |
| Princess Of The Streets | 4:34 | |
| Hanging Around | 4:25 | |
| Peaches | 4:03 | |
| (Get A) Grip (On Yourself) | 3:55 | |
| Ugly | 4:03 | |
| Down In The Sewer (Falling / Down In The Sewer / Trying To Get Out Again / Rats Rally) | 7:30 |
Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| IV / Rattus Norvegicus (LP, Album, Ltd, Pic) | United Artists Records | UAG 30045 P | Italy | 1977 | |
| IV / Rattus Norvegicus (LP) | EMI Electrola | 1C 064-99 458 | Germany | 1977 | |
| IV / Rattus Norvegicus (LP, Album) | United Artists Records | UAL 24055 | Italy | 1977 | |
| IV / Rattus Norvegicus (LP, Album) | A&M Records | SP-4648 | US | 1977 | |
| IV / Rattus Norvegicus (LP, Album) | United Artists Records | UALA-757G | Canada | 1977 | |
| IV / Rattus Norvegicus (LP, Album) | EMI-Bovema Holland | 5C 062.99458 | Netherlands | 1977 | |
| Rattus Norvegicus (LP, Album) | United Artists Records | UAG 30045 | UK | 1977 | |
| IV / Rattus Norvegicus (LP, Album) | Pathé Marconi EMI | 1300451 | France | 1983 | |
| IV / Rattus Norvegicus (CD, Album) | EMI Records | CDP 7 46362 2 | UK | 1988 | |
| IV / Rattus Norvegicus (CD, Album, RM, RE) | EMI Records, EMI Records | 7243 5 34406 2 6, 534 4062 | UK | 2001 | |
| IV / Rattus Norvegicus (LP, Album) | Fame, Liberty | 1A 038-1575301 | Netherlands | ||
| Rattus Norvegicus (LP, Album, RE) | Fame, Liberty | FA 3001 | UK |