Gudmund Schütte, Our forefathers: The Gothonic nations: A manual of the ethnography of the Gothic, German, Dutch, Anglo-Saxon, Frisian and Scandinavian peoples, vol. 2 (1933), p. 191Archived 6 April 2023 at the Wayback Machine.
Christian Presche, Kassel im Mittelalter: Zur Stadtentwicklung bis 1367 vol. 1 (2013), p. 41Archived 13 April 2023 at the Wayback Machine.
"The Hessians, called, in the early history of Germany, Catti, lived in the present Hessia". The Popular Encyclopedia: Or, Conversations Lexicon vol. 3 (1862), p. 720. Occasional English use of Hessia is found until the present day, e.g. P. J. J. Welfens, Stabilizing and Integrating the Balkans, Springer Science & Business Media (2001), p. 119.Archived 6 April 2023 at the Wayback Machine
"Names and symbols of transfermium elements (IUPAC Recommendations 1997)". Pure and Applied Chemistry. 69.12 (1997), p. 2471. doi:10.1351/pac199769122471.
FRANKFURT, SCHIRN KUNSTHALLE (28 April 2016). "About us". SCHIRN KUNSTHALLE FRANKFURT. Archived from the original on 25 May 2018. Retrieved 13 May 2018.
"Fläche und Bevölkerung". Statistische Ämter des Bundes und der Länder (in German). Retrieved 18 June 2025.
"Bruttoinlandsprodukt, Bruttowertschöpfung"[Gross domestic product, gross value added]. statistikportal.de (in German). Statistisches Bundesamt Obere Bundesbehörde im Geschäftsbereich des Bundesministeriums des Innern und für Heimat. 28 March 2025. Retrieved 8 April 2025.
"Bevölkerung". Statistische Ämter des Bundes Und der Länder. Archived from the original on 17 June 2018. Retrieved 7 August 2018.
Gudmund Schütte, Our forefathers: The Gothonic nations: A manual of the ethnography of the Gothic, German, Dutch, Anglo-Saxon, Frisian and Scandinavian peoples, vol. 2 (1933), p. 191Archived 6 April 2023 at the Wayback Machine.
Christian Presche, Kassel im Mittelalter: Zur Stadtentwicklung bis 1367 vol. 1 (2013), p. 41Archived 13 April 2023 at the Wayback Machine.
"The Hessians, called, in the early history of Germany, Catti, lived in the present Hessia". The Popular Encyclopedia: Or, Conversations Lexicon vol. 3 (1862), p. 720. Occasional English use of Hessia is found until the present day, e.g. P. J. J. Welfens, Stabilizing and Integrating the Balkans, Springer Science & Business Media (2001), p. 119.Archived 6 April 2023 at the Wayback Machine
FRANKFURT, SCHIRN KUNSTHALLE (28 April 2016). "About us". SCHIRN KUNSTHALLE FRANKFURT. Archived from the original on 25 May 2018. Retrieved 13 May 2018.