^"Archived copy"(PDF). www.cms.tuwien.ac.at. Archived from
the original(PDF) on 30 January 2012. Retrieved 22 May 2022.{{
cite web}}: CS1 maint: archived copy as title (
link)
^Preston, John.
"Paul Feyerabend". The Stanford Encyclopedia of Philosophy (SEP). Retrieved 27 January 2013.
^"Archived copy"(PDF). www.cms.tuwien.ac.at. Archived from
the original(PDF) on 30 January 2012. Retrieved 22 May 2022.{{
cite web}}: CS1 maint: archived copy as title (
link)
^Preston, John.
"Paul Feyerabend". The Stanford Encyclopedia of Philosophy (SEP). Retrieved 27 January 2013.