- Awards
- Awards and audio reels
- Episode files 316-586
- Scrapbooks
- Scripts and miscellaneous
- Correspondence
- Correspondence: Programs Dr. Orr's files
- Science in Action: A, B, C, D
- Science in Action
- Business reports
- List of Programs
- List of Series Promotion
- Programs: Radio and California Academy of Sciences. Science in Action update current.
- Guest scientists and student scientists
- Explorers of Tomorrow press releases. U.C. extension students.
- Scripts 44-460
- Scripts 469-488
- Scripts 489-508
- Scripts 509-544
- Scripts 545-591
- Scripts 592-626