Judenzählung (English Wikipedia)

David J. Fine (26 April 2012). Jewish Integration in the German Army in the First World War. Walter de Gruyter. pp. 16–17. ISBN 978-3-11-026816-4.
Noah William Isenberg: Between Redemption and Doom. The Strains of German-Jewish Modernism p.59-60 [1]

flholocaustmuseum.org

Die Judischen Gefallenen A Roll of Honor Commemorating the 12,000 German Jews Who Died for their Fatherland in World War I.

S. Friedlaender, Redemptive Anti-Semitism Archived 2007-09-29 at the Wayback Machine Source: S. Friedlaender, Chapter 3 in: Nazi Germany and the Jews, Vol. I - The Years of Persecution 1933-1939, (New York 1997), pp. 73-112. (Yad Vashem History of the Holocaust, a collaboration between the Yad Vashem Holocaust Remembrance Authority in Jerusalem and Drew University, Madison New Jersey.
S. Friedlaender, Redemptive Anti-Semitism Archived 2007-09-29 at the Wayback Machine Source: S. Friedlaender, Chapter 3 in: Nazi Germany and the Jews, Vol. I - The Years of Persecution 1933-1939, (New York 1997), pp. 73-112. (Yad Vashem History of the Holocaust, a collaboration between the Yad Vashem Holocaust Remembrance Authority in Jerusalem and Drew University, Madison New Jersey.

Antisemitism in Germany Post World War 1 Archived 2008-10-03 at the Wayback Machine. The Florida Holocaust Museum
S. Friedlaender, Redemptive Anti-Semitism Archived 2007-09-29 at the Wayback Machine Source: S. Friedlaender, Chapter 3 in: Nazi Germany and the Jews, Vol. I - The Years of Persecution 1933-1939, (New York 1997), pp. 73-112. (Yad Vashem History of the Holocaust, a collaboration between the Yad Vashem Holocaust Remembrance Authority in Jerusalem and Drew University, Madison New Jersey.
S. Friedlaender, Redemptive Anti-Semitism Archived 2007-09-29 at the Wayback Machine Source: S. Friedlaender, Chapter 3 in: Nazi Germany and the Jews, Vol. I - The Years of Persecution 1933-1939, (New York 1997), pp. 73-112. (Yad Vashem History of the Holocaust, a collaboration between the Yad Vashem Holocaust Remembrance Authority in Jerusalem and Drew University, Madison New Jersey.
(in German) Jüdische Intellektuelle im Ersten Weltkrieg. Zwischen Verteidigung des Vaterlandes als unstrittiger Pflicht und Antisemitismus als Frontalltag Archived 2007-06-24 at the Wayback Machine - PD Dr. Ulrich Sieg. Fachgebiet. Neuere und Neueste Geschichte