Hof- und Staats-Handbuch des Herzogtum Anhalt (1867) "Herzoglicher Haus-orden Albrecht des Bären" p. 17
dis-danmark.dk
Bille-Hansen, A. C.; Holck, Harald, eds. (1901) [1st pub.:1801]. Statshaandbog for Kongeriget Danmark for Aaret 1901 [State Manual of the Kingdom of Denmark for the Year 1901] (PDF). Kongelig Dansk Hof- og Statskalender (in Danish). Copenhagen: J.H. Schultz A.-S. Universitetsbogtrykkeri. p. 4. Retrieved 4 July 2020 – via da:DIS Danmark.
hathitrust.org
babel.hathitrust.org
"Rother Adler-orden", Königlich Preussische Ordensliste (in German), vol. 1, Berlin, 1886, p. 40{{citation}}: CS1 maint: location missing publisher (link)
Staatshandbücher für das Herzogtums Sachsen-Altenburg (1869), "Herzogliche Sachsen-Ernestinischer Hausorden" p. 21
wikipedia.org
da.wikipedia.org
Bille-Hansen, A. C.; Holck, Harald, eds. (1901) [1st pub.:1801]. Statshaandbog for Kongeriget Danmark for Aaret 1901 [State Manual of the Kingdom of Denmark for the Year 1901] (PDF). Kongelig Dansk Hof- og Statskalender (in Danish). Copenhagen: J.H. Schultz A.-S. Universitetsbogtrykkeri. p. 4. Retrieved 4 July 2020 – via da:DIS Danmark.