FOLDOC: Bergmann Gustav: Detailed entry with links to related topics.
From Positivism to Realism: The Philosophy of Gustav Bergmann: Biography and philosophical analysis, by William Heald.
Gustav Bergmann: Brief discussion of the life and works of Gustav Bergmann, by Garth Kemerling.
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."
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.
Synthetic A Priori: An excerpt from Bergmann's 1967 Logic and Reality, with original pagination.