Mount Wilson and Palomar Observatories

combined from CaltechAUTHORS

Zwicky, F. (2019) List of Supernovae Discovered Since 1885; 10.7907/EEPT-TF88
Schatzman, Evry (2012) A Theory of the Role of Magnetic Activity During Star Formation
Greenstein, Jesse L. (1959) Astrophysical Research in Space