1. General
- International Olympic Committee; www.olympics.com
- International Paralympic Committee; www.paralympic.org
- Olympic World Library; library.olympics.com
2. Olympic Games
- Milan – Cortina 2026; https://milanocortina2026.olympics.com/en
- Los Angeles 2028; www.la28.org
- Brisbane 2032; www.olympics.com/ioc/brisbane-2032
3. Youth Olympic Games
- Dakar 2026; www.olympics.com/ioc/dakar-2026
- Dolomiti Valtellina 2028; www.olympics.com/ioc/dolomiti-valtellina-2028
4. Miscellaneous
- GamesBids; www.gamesbids.com
- World Union of Olympic Cities; www.olympiccities.org
- International Society of Olympic Historians; www.isoh.org
- Olympic Broadcasting Services; www.obs.tv