CIA Factbook - Iles Eparses
Features map and brief descriptions of geography, economy, government, and people.
NationMaster - Tromelin Island
Profile includes information for various aspects of the country, with a special emphasis on statistics and rankings.
Weatherbase - Serge Frolow, Tromelin Island
Average and record levels for temperature and precipitation.
Wikipedia - Scattered Islands in the Indian Ocean
Hyperlinked encyclopedia article covers the history, government and politics, geography, economy, demographics, language and culture of the Bassas da India, Europa, Juan de Nova, Glorioso, and Tromelin islands.