From Positivism to Realism: The Philosophy of Gustav Bergmann  
   Biography and philosophical analysis, by William Heald.
   http://www.lib.uiowa.edu/spec-coll/Bai/heald.htm

Science as Culture: Metaphilosophy  
   Autobiographical essay of a graduate student's experiences in the University of Iowa philosophy program, with a focus on the combined influence of Everett Hall and Professor Bergmann, by Thomas H. Thompson.
   http://www.human-nature.com/science-as-culture/thomas.html

Gustav Bergmann  
   Brief discussion of the life and works of Gustav Bergmann, by Garth Kemerling.
   http://www.philosophypages.com/ph/berg.htm

FOLDOC: Bergmann Gustav  
   Detailed entry with links to related topics.
   http://www.swif.uniba.it/lei/foldop/foldoc.cgi?Bergmann+Gustav

Hist-Analytic: Hochberg on Bergmann  
   A short detail of Bergmann's philosophy by Herbert Hochberg. Also includes the full text of Bergmann's essay "Synthetic A Priori."
   http://www.hist-analytic.org/Bergmannintro.html

Synthetic A Priori  
   An excerpt from Bergmann's 1967 Logic and Reality, with original pagination.
   http://www.hist-analytic.org/BergmannApriori.html