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Encyclopedia of Camps and Ghettos, 1933–1945

Encyclopedia on the Holocaust

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The project attracted media attention when its editors announced in 2013 that the series would cover more than 42,500 sites, eight times more than expected. The first two volumes in the series, covering the Nazi concentration camps and Nazi ghettos, received a positive response from both scholars and survivors. Multiple scholars have described the encyclopedias as the most comprehensive reference on their given subjects.

Publication history

The work on the series began in 2000 by the researchers at the USHMM's Center for Advanced Holocaust Studies. Its general editor and project director is the American historian Geoffrey P. Megargee. The project has received financial support from the Helen Bader Foundation and the Claims Conference. The entries are written by experts on each individual site; contributors include professional historians as well as a wide variety of amateurs, including survivors and relatives of perpetrators. The co-editor of the second volume, Martin Dean, had previously worked as an investigator of Nazi war criminals. The overall aim of the series is to become the standard reference work for the Holocaust and other Nazi persecutions.

Originally, the editors planned to include about 5,000 sites of Nazi persecution, murder, and imprisonment. However, their estimate doubled by the next year. At an academic conference in 2013, Megargee and Dean said that they had uncovered more than 42,500 sites which will be covered in the encyclopedia, including 30,000 forced-labor camps, 1,150 ghettos, 980 concentration camps and subcamps, 1,000 prisoner-of-war camps, and 800 German military brothels. However, the figure of 42,500 is a considerable underestimate, because the researchers require multiple witness testimonies and documentary evidence to publish an entry on a site. Sites also must have housed at least 20 people and existed for more than a month.

The figure of 42,500 was soon picked up as a news story in the German- and English-language media because "new, more, larger—and, of course, Nazis" are "all the elements of a sensational headline", according to Dutch historian Robert Jan Van Pelt. Megargee remarked, "You could not turn a corner in Germany [during the war]... without finding someone there against their will." Dean commented, "To document this on a map and see how the Holocaust affected every single community throughout Europe makes quite clear the scope of the Nazi regime's murder campaign."

The first volume in the series, Early Camps, Youth Camps, and Concentration Camps and Subcamps under the SS-Business Administration Main Office (WVHA) was published in 2009, and the second volume, Ghettos in German-Occupied Eastern Europe, was published in 2012. Volume 3, Camps and Ghettos under European Regimes Aligned with Nazi Germany, was published in 2018. In 2017, the first two volumes of the series were released online for free download. The editors plan to complete the series of seven volumes in 2025, which will contain about 12,000 pages in thirteen separate books.

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