Atlasgeo: Laos: Animated GIF image.
Flags of the World: Laos: National, royal, historical, and Hmong flags.
The National Flag of the Lao People's Democratic Republic: Description of the flag in Article 77 of the Lao constitution, from the Lao embassy in Washington.
Theodora.com: Laos Flags: Images in several sizes.
Theodora.com: Laos Historical Flag: Images in several sizes of the flag before 1975.
World Flag Database: Laos: Details and flags of Laos.