Columbus Guides - World Travel Guide: Thailand: Tourist and business travel information with facts on climate, visa, health, passport, currency and customs requirements.
Lonely Planet - World Guide: Mongolia: Comprehensive facts and advice for traveling along with background material on the culture and history of the country.
Mongolian Tourism Board: Up to date information on traveling in Mongolia
The Last Great Place: A sweeping tour of the country along with handy "how to" guide from veteran reporter Ron Gluckman
US State Department - Thailand Consular Information Sheet: Offers general country and travel information including entry and exit requirements, safety and security, crime, health and transport.