The National Geographic Society and the Bradley Commission on History in Schools produced practical guidelines to reform the teaching of history and geography, which, like the science and mathematics reports, were well received in schools across the country.
Appendix A in the 1972 edition provided the following recommended reading list:
Tyack, D. B. (1988). Ways of seeing: An essay on the history of compulsory schooling. In R. M. Jaeger (Ed.), Complementary methods for research in education (pp. 24-59) . Washington, DC: American Educational Research Association.