Switzerland during the World Wars (English Wikipedia)

Bonjour 1978, p. 431. Bonjour, Edgar (1978). "Swiss Neutrality During Two World Wars". In Luck, James Murray; Burckhardt, Lukas F.; Haug, Hans (eds.). Modern Switzerland. The Society for the Promotion of Science and Scholarship Inc. pp. 419–438. ISBN 0-930664-01-9.

archives.gov

World War I-Introduction in German, French and Italian in the online Historical Dictionary of Switzerland.
World War I – Preparation in German, French and Italian in the online Historical Dictionary of Switzerland.
World War I – 1914 to 1918 in German, French and Italian in the online Historical Dictionary of Switzerland.
Culture during World War I in German, French and Italian in the online Historical Dictionary of Switzerland.
Asylum in German, French and Italian in the online Historical Dictionary of Switzerland.
Second World War-Refugees in German, French and Italian in the online Historical Dictionary of Switzerland. states 28,000

Laird, Michèle (November 7, 2013). "A race against time Swiss urged to provide missing links to Nazi-looted art". LootedArt.com. Retrieved June 25, 2017.

Bruce L. Brager (2006). The Office of Strategic Services. MilitaryHistoryOnline.com. Retrieved January 17, 2016.

Rudolf Jaun (September 2, 2014). "Mobilmachung der Armee von 1939: "Überall Menschen, Pferde, Aufregung"". Neue Zürcher Zeitung NZZ (in German). Zürich, Switzerland. Retrieved August 18, 2016.
Tribelhorn, Marc (May 6, 2018). "Der Schweizer Hetzer, der den "Anschluss" an Nazi-Deutschland forderte". Neue Zürcher Zeitung (in Swiss High German). ISSN 0376-6829. Retrieved February 12, 2024.

Franz Kasperski (September 7, 2015). "Abgeschossen von der neutralen Schweiz" (in German). Schweizer Radio und Fernsehen SRF. Retrieved October 23, 2015.
"Gedenkstein für Internierten-Straflager" (in German). Schweiz aktuell. October 23, 2015. Retrieved October 23, 2015.

"Gefallen 1916 an der Dreisprachenspitze". www.suedostschweiz.ch (in German). September 20, 2014. Retrieved December 9, 2018.

Olivier Grivat (February 11, 2013). "POW medal recognises US aviators' suffering". swissinfo. Retrieved October 23, 2015.

Independent Commission of Experts Switzerland - Second World War (UEK/CIE), ed. (2002). Switzerland, National Socialism, and the Second World War. Final Report (Report). Zürich, Switzerland: Pendo Verlag GmbH. ISBN 3-85842-601-6.
Bergier, Jean-Francois; W. Bartoszewski; S. Friedländer; H. James; H. Junz; G. Kreis; S. Milton; J. Picard; J. Tanner; D. Thürer; J. Voyame (2002). Final Report of the Independent Commission of Experts Switzerland – Second World War (PDF). Zürich: Pendo Verlag GmbH. p. 107. ISBN 3-85842-603-2.
Bergier, Jean-Francois; W. Bartoszewski; S. Friedländer; H. James; H. Junz; G. Kreis; S. Milton; J. Picard; J. Tanner; D. Thürer; J. Voyame (2002). Final Report of the Independent Commission of Experts Switzerland – Second World War (PDF). Zürich: Pendo Verlag GmbH. p. 243. ISBN 3-85842-603-2.
Independent Commission of Experts Switzerland – Second World War. "Switzerland, National Socialism and the Second World War Final Report" (PDF). Independent Commission of Experts Switzerland – Second World War. Retrieved June 25, 2017.