Cowan, Ruth Schwartz [British historian of science, later at SUNY Stony Brook.] -- NOTE: Letters on Francis Galton, ideas about biological variation and Gaussian law of error, possible connection with kinetic theory., 1966

Cowan, Ruth Schwartz [British historian of science, later at SUNY Stony Brook.] -- NOTE: Letters on Francis Galton, ideas about biological variation and Gaussian law of error, possible connection with kinetic theory., 1966, 2.2.29, Box: 2, Folder: 29.0. Stephen G. Brush papers, 0294-UA. Special Collections and University Archives. https://archives.lib.umd.edu//repositories/2/archival_objects/286490 Accessed May 18, 2024.