References
- Arbeiter-Zeitung. March 19, 1914. Wien. Press-clipping, König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Arrhenius, Svante. August 5, 1916. Letter to Clara König, König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Aufruf, Graz. May 10, 1925. König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Barr, William. “Rehearsing for the Antarctic: Wilhelm Filchner’s Practice Expedition to Spitsbergen, 1910.” II Polo LXVII-n (2012): 9–32.
- Brückner, Eduard. February 9, 1916. Letter to Clara König, König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Brückner, Eduard. November 5, 1916. Letter to Clara König, König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Brunner, Kurt, and Cornelia Lüdecke. “Übung für die Antarktis – Wilhelm Filchners Vorexpedition nach Spitzbergen im Jahr 1910. Ein Beitrag zur Expeditionskartographie [Excercise for the Antarctic – Wilhelm Filchner's preparation expedition to Spitsbergen in the year 1910. A contribution to expedition's cartography].” In Von Altenburgh bis Zeppelin. Deutsche Forschung auf Spitzbergen bis 1914. 100 Jahre Expedition des Herzogs Ernst II.von Sachsen-Altenburg [From Altenburg to Zeppelin. German Research on Spitzbergen Until 1914. 100 Years Expedition of Duke Ernst II.of Sachsen-Altenburg], ed. Cornelia Lüdecke and Kurt Brunner, 69–77. Neubiberg: Institut für Geodäsie, 2010. http://www.unibw.de/bauv9/Org/schriftenreihe/heft-88-2012.
- Death Notice, Klara König. August 21, 1918. König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Deutsch-Asiatischen Bank [German-Asian Bank], no date. “ Hilfsaktion für Deutsche und Oesterreich.-Ungar. Gefangene in Sibirien, Tientsin [Relief Action for German and Austro-Hungarian Prisoners in Siberia, Tientsin].” Policy; König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Filchner, Wilhelm. March 30, 1911. Letter to Karl König, König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Filchner, Wilhelm. Ein Forscherleben [An Explorer's Life]. Wiesbaden: Brockhaus, 1956.
- Filchner, Wilhelm. Zum Sechsten Erdteil. Die Zweite Deutsche Südpolarexpedtion. Trans. and ed. William Barr. Berlin: Ullstein Verlag, 1923. To the Sixth Continent: The Second German South Polar Expedition 1911–1913. (Bluntisham: Bluntisham Books; Banham: Erskine Press 1994).
- Grazer, Tagblatt, Graz. August 9, 1916. König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Kleinoscheg, Max. January 8, 1918. Letter to Clara König, König collection, private property, Ursula Rack, Christchurch, New Zealand.
- König, Felix. August 9, 1916. Published letter to Peter Rossegger, Grazer Tagblatt, Graz, König collection, private property, Ursula Rack, Christchurch, New Zealand.
- König, Felix. March 7, 1918. Letter to his mother, König collection, private property, Ursula Rack, Christchurch, New Zealand.
- König, Felix. June 1918. Postcard to his mother, König collection, private property, Ursula Rack, Christchurch, New Zealand.
- König, Felix. no date. Fragment of a letter to his mother, König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Martin, Major. April 8, 1917. Letter to Clara König, König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Mitteilungen der Geographischen Gesellschaft in Wien, vol. 90, (Wien 1948), 126.
- Nachtigal, Reinhard. “Die kriegsgefangenen k.u.k. Generalität in Russland während des Ersten Weltkrieges [The Prisoners of War of the k.u.k. General Officers in Russia During the First World War].” Österreich in Geschichte und Literatur [Austria in History and Literatur] 47, no. 5 (2003): 258–67.
- Nansen, Fridtjof. February 17, 1917. Letter to Eduard Brückner, König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Nordensjköld, Otto. September 2, 1916. Letter to Clara König, König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Pluntke, Margitta. “Die Schlittenexpedition des Herzogs Ernst II. Von Sachsen-Altenburg auf Spitzbergen im Sommer 1911 [The Sledge Journey of Duke Ernst II. of Sachsen-Altenburg in Spitsbergen in Summer 1911].” In Von Altenburgh bis Zeppelin. Deutsche Forschung auf Spitzbergen bis 1914. 100 Jahre Expedition des Herzogs Ernst II.von Sachsen-Altenburg [From Altenburg to Zeppelin. German Research on Spitsbergen until 1914. 100 Years Expedition of Duke Ernst II of Sachsen-Altenburg], ed. Lüdecke Cornelia and Brunner Kurt, 23–36. Neubiberg: Institut für Geodäsie, 2010. http://www.unibw.de/bauv9/Org/schriftenreihe/heft-88-2012.
- Rack, Ursula. “Sozialhistorische Studie zur Polarforschung anhand von deutschen und östereich-ungarischen Polarexpeditionen zwischen 1868–1939 [Social Historic Studies of Polar Research Based on German and Austro-Hungarian Polar expeditions Between 1868–1939].” PhD thesis, Wien 2009. Published in: Berichte zur Polar- und Meeresforschung, vol. 618. Bremerhaven: Alfred-Wegener-Institut für Polar- und Meeresforschung, 2010. http://hdl.handle.net/10013/epic.35941.
- Rossegger, Peter. March 18, 1911. Letter to König, König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Schweitzer, Major. December 8, 1917. Letter to Clara König, König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Tagespost, Graz. November 8, 1913. König collection, private property, Ursula Rack, Christchurch, New Zealand.
- The Times, London. March 5, 1914. König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Wiener Neuigkeiten, Wien. January 17, 1914. König collection, private property, Ursula Rack, Christchurch, New Zealand.
- Wurzer, Georg. “Die Kriegsgefangenen der Mittelmächte in Rußland im Ersten Weltkrieg [The Prisoners of War of the Central Powers in Russia in the First World War].” Phd thesis, Tübingen, 2002. http://tobis-lib.uni-tuebingen.de/volltexte/2001/207/pdf/diss_wurzer.pdf.
- All images are in private possesion: König collection, private property, Ursula Rack, Christchurch, New Zealand.