保羅·克利：修订间差异

* Fayal, M.: ''[https://web.archive.org/web/20070311022152/http://www2.swissinfo.org/sen/swissinfo.html?siteSect=2555&sid=5766874&cKey=1120114383000 Paul Klee: A man made in Switzerland]'', swissinfo, May 25, 2005.

* Zentrum Paul Klee: ''[https://web.archive.org/web/20060718020319/http://www.paulkleezentrum.ch/ww/en/pub/web_root/act/wissenschaftliches_archiv/biografie/schweizer_ohne_roten_pass.cfm A Swiss without a red passport]''.

* [https://web.archive.org/web/20061125085752/http://www.fantasyarts.net/Paul_Klee_Paintings.htm Paul Klee Paintings, Biography, and Historical Information]

* [https://web.archive.org/web/20060628154736/http://www.zpk.org/ww/en/pub/web_root.cfm Zentrum Paul Klee - The Paul Klee museum in Bern]

* [http://www.artcyclopedia.com/artists/klee_paul.html Artcyclopedia: Paul Klee] {{Wayback|url=http://www.artcyclopedia.com/artists/klee_paul.html |date=20201017084406 }}, artcyclopedia.com

* [https://web.archive.org/web/20061117155112/http://www.swissinfo.org/specials/klee/paul_klee_index.html Paul Klee – Swissinfo web special]

* [http://www.moma.org/collection/browse_results.php?criteria=O%3AAD%3AE%3A3130&page_number=1&template_id=6&sort_order=1 Paul Klee at the Museum of Modern Art (MoMA)] {{Wayback|url=http://www.moma.org/collection/browse_results.php?criteria=O%3AAD%3AE%3A3130&page_number=1&template_id=6&sort_order=1 |date=20150119053354 }}

* [http://www.moreeuw.com/histoire-art/biographie-paul-klee.htm Paul Klee] {{Wayback|url=http://www.moreeuw.com/histoire-art/biographie-paul-klee.htm |date=20200806065229 }}

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