Wikipedia: Ludwik Fleck - Biography and ideas of the Polish thinker in the free encyclopedia. - http://en.wikipedia.org/wiki/Ludwik_Fleck
Ludwik Fleck: An Answer to the Crisis of Modern Medicine in Interwar Germany? - Abstract of a 2002 paper by Christian Bonah, with full text available as a PDF file. Considers Fleck's 1935 work Genesis and Development of a Scientific Fact in the bioethical context of the time. - http://shm.oxfordjournals.org/cgi/content/abstract/15/2/187
Polish Philosophy Pages: Ludwik Fleck - Brief biography, bibliography, and several essays on key terms in Fleck's thought. - http://www.fmag.unict.it/~polphil/PolPhil/Fleck/Fleck.html
Popular Science and the Thought-Style of Ludwik Fleck - Abstract of a paper by Kaj Johansson, noting the function which Fleck ascribed to popular science. - http://www.ivh.au.dk/kollokvier/kaj_johansson_30_10_03.dk.html