Tracklist
| One O'Clock Jump |
| Two O'Clock Jump |
Versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 36232 | Harry James And His Orchestra | One O'Clock Jump / Two O'Clock Jump (Shellac, 10") | Columbia | 36232 | US | 1941 |
| D 13231 | Harry James And His Orchestra | One O'Clock Jump / Two O'Clock Jump (Shellac, 10", RP) | Columbia | D 13231 | Italy | 1945 |
| 37142 | Harry James And His Orchestra | One O'Clock Jump / Two O'Clock Jump (Shellac, 10", RE) | Columbia | 37142 | US | 1946 |
| 1-510 | Harry James And His Orchestra | One O'Clock Jump / Two O'Clock Jump (7", Single, Promo, Mic) | Columbia | 1-510 | US | 1949 |
| 1-510 | Harry James And His Orchestra | One O'Clock Jump (7", Single, Mic) | Columbia | 1-510 | US | 1949 |
| 50001 | Harry James And His Orchestra | One O'Clock Jump / Two O'Clock Jump (Shellac, 10", RE) | Columbia | 50001 | US | 1954 |
| 4-37142 | Harry James And His Orchestra | One O'Clock Jump / Two O'Clock Jump (7") | Columbia | 4-37142 | US | Unknown |
| 4-50001 | Harry James And His Orchestra | One O'clock Jump / Two O'clock Jump (7", Mono) | Columbia | 4-50001 | US | Unknown |
| 4-50001 | Harry James & His Orch.* | One O'clock Jump / Two O'clock Jump (7", Promo) | Columbia | 4-50001 | US | Unknown |
