Blum, Alexander S. Max Planck Research Group Historical Epistemology of the Final Theory Program, Max Planck Institute for the History of Science, Max Planck Society;
https://edition-open-sources.org/sources/10/33/index.html (全文テキスト（全般）)
sources10chap31.pdf (全文テキスト（全般）), 388KB
Blum, A. S., & Salisbury, D. C. (2018). The Genesis of Canonical Quantum Gravity. In A. S., Blum, & D., Rickles (Eds.), Quantum Gravity in the First Half of the Twentieth Century: A Sourcebook (pp. 455-464). Berlin: Edition Open Access. doi:10.34663/9783945561317-33.
