Almanacs, Fact Books
- CIA World FactBook
- The World Factbook provides national-level information on countries, territories, and dependencies, but not subnational administrative units within a country.
- Internet Public Library: Calendar Resource
- Guides and links to holidays and celebrations, secular and religious, worldwide.
- Library Spot: Almanacs links
- Links to almanacs
- Old Farmers' Almanac online
- Online version of the classic almanac
- The Library of Congress Country Studies
- A continuing series of books prepared by the Federal Research Division of the Library of Congress under the Country Studies/Area Handbook Program sponsored by the Department of the Army. This online series presently contains studies of 100 countries.
- UNICEF Statistics by nation
- UNICEF produces statistics globally and by country and provides a tool for generating customized statistical tables.