Decree amending the Reich Labor Service Law issued by Adolf Hitler [Germany]: “Article 7 (1) – Jews are not permitted to the Reich Labor Service. (2) Jews of mixed heritage cannot be superior in the Reich Labor Service. […] Berlin 19 March 1937 – The Fuehrer and Reich Chancellor Adolf Hitler.”
1937 Reichsgesetzblatt I, page 325. Accessed online; Translated by Franziska Wagener 1/16/2016