Amber Room Organisation
- Aims to investigate the remains of the Amber Room and other objects of art and culture missing since WWII.
- http://www.amberroom.org/

Nazi-Era Provenance Internet Portal
- Provides a searchable registry of objects in U.S. museum collections that were created before 1946, and changed hands in Continental Europe during the Nazi era (1933-1945).
- http://www.nepip.org

US National Archives Bibliography of Holocaust Era Assets
- Provides categorized bibliographic citations, printed and online, dealing with Holocaust-Era Assets. Includes categories for looted art.
- http://www.archives.gov/research_room/holocaust_era_assets/bibliographies/bibliographies.html

Bruno Kreisky Archives Foundation
- [Austria] Art looted by the Nazi regime in Austria. Includes article by Oliver Rathkolb on restitution policies and a list of privately owned artworks still missing.
- http://www.kreisky.org/

Holocaust Assets: US State Department
- Links to US government documents relating to Holocaust-Era Assets, including looted art.
- http://www.state.gov/www/regions/eur/holocausthp.html

Holocaust Claims Processing Office: Art Claims
- [New York State] Downloadable claims form.
- http://www.claims.state.ny.us/art.htm

Presidential Commission on Holocaust Assets in the US
- Present a historical record of the collection and disposition of the assets of Holocaust victims that came into the possession or control of the Government of the United States.
- http://www.holocaustassets.gov/

Enemy Property: The British Government Claims Scheme
- [United Kingdom] Site contains details of the claims scheme and how to apply. It also has summary details of records held at the Public Record Office relating to UK property seized during WWII from organisations and individuals resident in countries with
- http://www.enemyproperty.gov.uk/

The Schloss Collection: Non-restituded Works Looted 1943-1998
- Catalogue listing works of art from the Schloss collection not restituted as of July 1, 1997.
- http://www.france.diplomatie.fr/archives/dossiers/schloss/index_ang.html

Loot for the Master Race
- Article by James S. Plaut, who was directly responsible for recovering the works of art which had been looted by Rosenberg, Göring, and Hitler and hidden in Germany. [The Atlantic Monthly]
- http://www.theatlantic.com/unbound/flashbks/nazigold/loot.htm

Hitler's Capital
- Part II of an article by James S. Plaut, in which he tells the story of retrieving and collecting of masterpieces looted by Rosenberg, Goring, and Hitler and hidden in Germany. [The Atlantic Monthly]
- http://www.theatlantic.com/unbound/flashbks/nazigold/hitler.htm

Lost Art Internet Database
- A government-sponsored German database of art objects either stolen by the Nazis or for which no legal proprietor has been found.
- http://www.lostart.de/index.php3?lang=english

Holocaust: The Plunder of Art Treasures
- Excerpt from the International Military Tribunal, Nurnberg: Nazi Conspiracy and Aggression, Volume 1, Chapter 14.
- http://www.nizkor.org/hweb/imt/nca/nca-01/nca-01-14-plunder-01.html

Holocaust-Era Assets
- International list of current activities regarding holocaust-era assets. A project of the U.S. Holocaust Memorial Museum in conjunction with the Washington Conference on Holocaust-Era Assets.
- http://www.ushmm.org/assets/index.html

Project for the Documentation of Wartime Cultural Losses
- Official reports on the Nazis' seizure of cultural property in France, Russia, Europe, Occupied Territories, Neutral countries and Latin America.
- http://docproj.loyola.edu/