https://sites.astro.caltech.edu/palomar/homepage.html
- Observing Schedule Survey Log, 1949 - June 1953
- Plate Log for the National Geographic Society Palomar Mountain Observatory Sky Survey, 1953-1956 (POSS1)
- van Kerkwijk, M. H.; Kulkarni, S. R.; et el. (1995) A luminous companion to SGR 1806-20; Astrophysical Journal; Vol. 444; No. 2; L33-L35; 10.48550/arXiv.9502038
- Vaughan, A. H.; Deutsch, A. J.; et el. (1995) Palomar Observatory Hale Telescope : Prime Focus Nebular Spectrograph Log Book
- Porter, Russell Williams (1983) Giants of Palomar
- National Geographic Society - Palomar Observatory Sky Atlas
- Fassero, James S. and Porter, R. W. (1952) More Photographic Giants of Palomar
- Hale, George E. (1950) Frontiers in Space: Official Publication of the Mount Wilson and Palomar Observatories
- Woodbury, David O. and Lagemann, John Kord (1949) First Photos Through Palomar’s Giant Eye; Collier’s; 19-25+
- Page, James R.; Fosdick, Raymond B.; et el. (1948) Dedication of the Palomar Observatory and the Hale Telescope