| AEG | Allgemeine Elektrizitäts-Gesellschaft (General Electricity Company) |
| AFS | American Field Service |
| AG | Aktiengesellschaft (stock company) |
| BEG | Bundesentschädigungsgesetz (Federal Compensation Law) |
| CDJC | Centre de Documentation Juive Contemporaine (Contemporary Jewish Documentation Center) |
| CENTOS | Zespol Zwiazek Towarzystw Opieki nad Dziecmi i Sierotami (Federation of Associations for Orphanages and Children’s Homes, Poland) |
| CGQJ | Commissariat Général aux Questions Juives (General Commission for Jewish Questions) |
| CRE | Committee for Refugee Education |
| CV | Centralverein deutscher Staatsbürger jüdischen Glaubens (Central Association of German Citizens of the Jewish Faith) |
| DDR | Deutsche Demokratische Republik (German Democratic Republic) |
| DELASEM | Delegazione Assistenza Emigranti Ebrei (Association for Assistance to Jewish Refugees) |
| DP | Displaced person(s) |
| Dulag | Durchgangslager (transit camp) |
| DZV | Deutsche Zionistische Vereinigung (German Zionist Association) |
| ECAR | Education, Cultural Affairs and Religion (U.S. Army Civil Affairs unit) |
| ERR | Einsatzstab Reichsleiter Rosenberg (Special Staff of Reichsleiter Rosenberg) |
| FIAT | Field Information Agency, Technical |
| FSB | Federalnaia sluzhba bezophasnosti Rossii (Russian Federal Security Service) |
| GARF | Gosudarstvennyi Arkhiv Rossiskoi Federatsii (Archives of the Russian Federation) |
| Gestapo | Geheime Staatspolizei (Secret State Police) |
| GI | Government issue (refers to American soldiers and military equipment) |
| G.m.b.H. | Gesellschaft mit beschränkter Haftung (company with limited liability) |
| HIAS | Hebrew Immigrant Aid Society |
| HICEM | Organization formed in France in 1927 by Hebrew Immigrant Aid Society (H), Jewish Colonization Association (IC), and the Emigdirect (EM) |
| HSSPF | Höhere SS- und Polizeiführer (Higher SS and Police Leader) |
| ICRC | International Committee of the Red Cross |
| IMT | International Military Tribunal (Nuremberg 1945–46) |
| IRO | International Refugee Organization |
| ITS | International Tracing Service |
| KGB | Komitet Gosudarstvennoi Bezopasnosti (Committee of State Security—USSR) |
| KL | Konzentrationslager (concentration camp) |
| KZ | Konzentrationslager (concentration camp) |
| MACE | Maison d’Accueil Chrétienne pour Enfants (Christian Welcome Home for Children) |
| MFA | Ministry of Foreign Affairs |
| MID | U.S. Military Intelligence Division |
| MGB | Ministerstvo Gosudarstvennoi Bezopasnosti (Ministry of State Security—USSR) |
| MVD | Ministrestvo Vnutrennykh Del (Ministry of Internal Affairs—USSR) |
| NARA | National Archives and Records Administration, College Park, MD |
| NGO | Non-Governmental Organization |
| NKVD | Narodnii Kommissariat Vnutrennykh Del (People’s Commissariat of Internal Affairs—USSR) |
| NSDAP | Nationalsozialistische Deutsche Arbeiterpartei (National Socialist German Workers’ Party) |
| OCCWC | Office of U.S. Chief of Counsel for War Crimes (trials subsequent to IMT) |
| OFD | Oberfinanzdirektion (Office of the Director of Finance) |
| Oflag | Offizierslager ([military POW] officers’ camp) |
| OMGUS | Office of Military Government, United States in Germany |
| Orpo | Ordnungspolizei (Order Police) |
| ORT | Obschevstvo Remeslenovoi i Zemledelcheskovo Trouda (Society for Trades and Agricultural Labor) |
| OSI | Office of Special Investigations |
| OT | Organisation Todt (Todt Organization) |
| OUN-B | Organizatsiya Ukrainskikh Nationalistiv-Bandera (Ukrainian Nationalist Organization—Bandera Faction) |
| OUSCCPAC | Office of U.S. Chief of Counsel for the Prosecution of Axis Criminality (at the IMT) |
| POW | Prisoner of war |
| RAD | Reichsarbeitsdienst (Reich Labor Service) |
| RG | Record group |
| RGALI | Rossiyskiy Gosudarstvennyy Arkhiv Literatury i Iskusstva (Russian State Archive of Literature and Art) |
| RGVA | Rossiyskiy Gosudarstvennyy Voennyy Arkhiv (Russian State Military Archives) |
| RSHA | Reichssicherheitshauptamt (Reich Security Main Office) |
| SA | Sturmabteilungen (Storm Detachments) |
| SD | Sicherheitsdienst (Security Service) |
| SHAEF | Supreme Headquarters Allied Expeditionary Force |
| SIPO | Sicherheitspolizei (Security Police) |
| SovInformBuro | Soviet Information Bureau (successor to the Comintern—Communist International) |
| SS | Schutzstaffel (Protection Squads) |
| SSPF | SS- und Polizeiführer (SS and Police Leader) |
| Stalag | Stammlager (main [POW] camp) |
| UdSSR | Union der sowjetischen sozialistischen Republiken (Union of Soviet Socialist Republics) |
| UGIF | Union Générale des Israélites de France (General Union of Jews in France) |
| UNRRA | United Nations Relief and Rehabilitation Administration |
| URO | United Restitution Organization |
| U.S. | United States |
| USHMC | United States Holocaust Memorial Council |
| USHMM | United States Holocaust Memorial Museum |
| USSR | Union of Soviet Socialist Republics |
| WJC | World Jewish Congress |
| YIVO | Institute for Jewish Research |
