WWW-VL - History: Uruguay
- Categorized directory of links in English and Spanish.
- http://vlib.iue.it/history/americas/Uruguay/index.html

Colonia del Sacramento
- Resource of the Organization of World Heritage Cities. Brief history, urban morphology and links.
- http://www.ovpm.org/index.php?module=pagesetter&func=viewpub&tid=6&pid=16

Uruguay: A Country Study
- Prepared by the Federal Research Division of the Library of Congress for their Area Handbook Series.
- http://lcweb2.loc.gov/frd/cs/uytoc.html

History of Uruguay
- From the 16th century to modern times, taken from the Area Handbook of the US Library of Congress.
- http://www.motherearthtravel.com/uruguay/history.htm