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"Bruttoinlandsprodukt". Volkswirtschaftliche Gesamtrechnungen (in German). Hessisches Statistisches Landesamt. 2012. Archived from the original on 14 September 2012. Retrieved 27 March 2013.
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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
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FRANKFURT, SCHIRN KUNSTHALLE (28 April 2016). "About us". SCHIRN KUNSTHALLE FRANKFURT. Archived from the original on 25 May 2018. Retrieved 13 May 2018.
"Bruttoinlandsprodukt". Volkswirtschaftliche Gesamtrechnungen (in German). Hessisches Statistisches Landesamt. 2012. Archived from the original on 14 September 2012. Retrieved 27 March 2013.
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.