The entire collection of texts from the Project Physics Course can be accessed and downloaded for free at https://archive.org/details/projectphysicscollection. See also the dissertation by Meshoulam, David. Teaching Physics as One of the Humanities: The History of (Harvard) Project Physics, 1961–1970, (University of Wisconsin-Madison, 2014).
See Holton, Gerald James, Science and anti-science. Cambridge, Mass.: Harvard University Press, 1993. http://nrs.harvard.edu/urn-3:FHCL:19365133. Chapters 5 and 6. Also Journal of the History of Ideas, v.61.2 (2000), 327–341).
Holton, Gerald (1958). "Perspectives on the Issue "Science and the Modern World View"". Daedalus. 87 (1): 3–7. JSTOR20026421.
Holton, Gerald (1999). "Some Lessons from Living in the History of Science". Isis. 90 (Supplement: Catching up with the Vision: Essays on the Occasion of the 75th Anniversary of the Founding of the History of Science Society): S104. JSTOR238009.
Holton, Gerald (1999). "Some Lessons from Living in the History of Science". Isis. 90 (Supplement: Catching up with the Vision: Essays on the Occasion of the 75th Anniversary of the Founding of the History of Science Society): S104–S105. JSTOR238009.