Goebbels, Joseph (1943). "Die sogenannte russische Seele" [The So-Called Russian Soul]. Das eherne Herz [The iron heart]. Translated by Bytwerk, Randall. Munich: Zentralverlag der NSDAP. pp. 398–405. Archived from the original on 24 November 2013. Retrieved 14 December 2013 – via German Propaganda Archive at Calvin University.
"Sprigge, Sir Squire, (22 June 1860–17 June 1937), Editor of the Lancet", Who Was Who, Oxford University Press, 1 December 2007, doi:10.1093/ww/9780199540884.013.u217438
Hanski Jari (2006). Juutalaisvastaisuus suomalaisissa aikakauslehdissä ja kirjallisuudessa 1918–1944. Diss. Helsinki: Helsingin yliopisto. pp. 159–163. ISBN952-10-3015-1. online version
Aaronovitch, David (23 September 2011). "Our Jewish Communist past". The Jewish Chronicle. Archived from the original on 3 January 2014. Retrieved 18 September 2013.
Aaronovitch, David (23 September 2011). "Our Jewish Communist past". The Jewish Chronicle. Archived from the original on 3 January 2014. Retrieved 18 September 2013.
Goebbels, Joseph (1943). "Die sogenannte russische Seele" [The So-Called Russian Soul]. Das eherne Herz [The iron heart]. Translated by Bytwerk, Randall. Munich: Zentralverlag der NSDAP. pp. 398–405. Archived from the original on 24 November 2013. Retrieved 14 December 2013 – via German Propaganda Archive at Calvin University.