Primary sources
- Image Collection of the National Digital Library of Latvia
- Latvia in the 16th-18th century maps - The Cartographic Collection of the National Library of Latvia (open access).
- Latvian Soviet Socialist Republic KGB Archive - includes KGB operational materials, rulings in cases on cooperation with the KGB, KGB regulations, lists of staff etc.
- Newspaper of Latvia - A collection of digitized newspapers from the National Library of Latvia (open access).
- Raduraksti - digitised collections of books, Russian census from 1897, lists of deportees, correspondence and video memoirs of Latvian citizens.
- Redzidzirdilatviju - digital repository of audiovisual, photo and sound and electronic documents of the Latvian State Archive.
Secondary sources
- Academia - Latvian academic repository (open access).
- Book Collection of the National Digital Library of Latvia (temporary access until further notice).
- E-resource Repository of the University of Latvia - provides access to the research output of the University. It contains published articles, doctoral thesis and abstracts, conference proceedings, administrative, scientific and funded project reports and other electronic documents.
- Latvia's historical sound recordings - A collection of National Digital Library of Latvia.
- The Latvian National Digital Library - Provides access to digitised collections of the National Library of Latvia. At present, the Digital Library holds digitised collections of newspapers, maps, books, sheet music, audio recordings and pictures.
- National Bibliography of Latvia
- Periodicals Collection of the National Digital Library of Latvia (temporary access until further notice).
- SciRePrints: Science and Religion Dialogue Prints of University of Latvia - this site provides access to research outputs in relation to Science and Religion. The repository accepts theological articles that explore the issues of science, written from scientific viewpoint or use scientific argumentation, and scientific articles that make religious conclusions or contain religious.
Statistical databases
- Central Statistical Bureau of Latvia Database - provides information on economic, demographic, social and environmental data and key indicators.