Rittmaster (English Wikipedia)

Jewison, Glenn; Jörg C. Steiner (2008-12-12). "Badges of Rank of the Austro-Hungarian Army 1914-1918". Austro-Hungarian Land Forces 1848-1918. Retrieved 2008-10-16. Infantry: Hauptmann... Cavalry: Rittmeister

books.google.com (Global: 3^rd place; English: 3^rd place)

The various names of this rank in different languages show Germanic etymology, (with a similar term used in Estonian). Thomas, Nigel; G. A. Embleton (2003). The German Army of World War I (1): 1914-15. Translated by G. A. Embleton. Osprey Publishing. ISBN 9781841765655. Retrieved 2008-10-16.^{[permanent dead link]}

Hillmos, Finn. "Hærens gradstegn 1923" [Army insignia 1923] (PDF). chakoten.dk. Retrieved 28 August 2018.

"De rangonderscheidingstekens van de krijgsmacht" (PDF) (in Dutch). Ministry of Defence (Netherlands). 19 December 2016. Retrieved 18 March 2021.

"Militære grader". forsvaret.no (in Norwegian). Norwegian Armed Forces. 4 February 2021. Retrieved 26 May 2021.

"Wie is wie- De rangonderscheidingstekens van de krijgsmacht (Who is who - rank insignia of military establishment)" (PDF). Directie Voorlichting en Communicatie (in Dutch). Ministerie van Defensie. October 2006. p. 2. Archived from the original (PDF) on 2007-10-30. Retrieved 2008-10-16.

Václavíček, Ivo (2010). "Nový rok – nové hodnosti" (PDF). A Report : čtrnáctideník Ministerstva obrany ČR (in Czech). Vol. 3. Ministry of Defense of the Czech Republic. p. 41. ISSN 1211-801X. Retrieved 8 August 2022.

"Označenie vojenských hodností príslušníkov Ozbrojených síl Slovenskej republiky od 1.1.2016" [Designation of military ranks of members of the Armed Forces of the Slovak Republic from 1.1.2016]. vhu.sk (in Slovak). Military History Institute. Retrieved 12 April 2021.

"Wie is wie- De rangonderscheidingstekens van de krijgsmacht (Who is who - rank insignia of military establishment)" (PDF). Directie Voorlichting en Communicatie (in Dutch). Ministerie van Defensie. October 2006. p. 2. Archived from the original (PDF) on 2007-10-30. Retrieved 2008-10-16.
"THE HOUSEHOLD CAVALRY - THE REGIMENTAL COMMAND STRUCTURE". Archived from the original on 2013-07-19. Retrieved 2016-06-11.{{cite web}}: CS1 maint: bot: original URL status unknown (link)

Václavíček, Ivo (2010). "Nový rok – nové hodnosti" (PDF). A Report : čtrnáctideník Ministerstva obrany ČR (in Czech). Vol. 3. Ministry of Defense of the Czech Republic. p. 41. ISSN 1211-801X. Retrieved 8 August 2022.