Are you interested in the lower bands up to 30 MHz? At https://macijauskas.org/shortwave, you’ll find very well-organized band plans for long, medium, and short waves. The source materials were:
- IARU Region 1 band plan
- IARU Region 2 band plan
- IARU Region 3 Band Plan
- Frequency bands allocated for terrestrial radio services
- Shortwave bands