1.  5
    Judy Johns Schloegel (1999). From Anomaly to Unification: Tracy Sonneborn and the Species Problem in Protozoa, 1954-1957. [REVIEW] Journal of the History of Biology 32 (1):93 - 132.
    This article examines the critique of the biological species concept advanced by protozoan geneticist Tracy Sonneborn at the 1955 AAAS symposium on "the species problem," published subsequently in 1957. Although Sonneborn was a strong proponent of a population genetical conception of species, he became critical of the biological species concept for its failure to incorporate asexual and obligatory inbreeding organisms. It is argued that Sonneborn's intimate knowledge of the ciliate protozoan Paramecium aurelia species complex brought him into conflict with a (...)
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  2. Judy Johns Schloegel & Henning Schmidgen (2002). General Physiology, Experimental Psychology, and Evolutionism. Isis 93 (4):614-645.
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    Robert C. Olby, Judy Johns Schloegel & Karen Rader (1999). Picturing Biology. Metascience 8 (2):243-260.
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