Beyond C-3 Series
Each volume includes an introduction to the volume describing the documents that are included, as well as essays from David Hughes and Tom Brucker (the son of C-3 participant and author of The Caves Beyond Roger Brucker).
Volume I
This volume includes correspondence related to discussing the proposed expedition, the pre-expedition planning correspondence, the applications from each expedition member, and required medical forms. There is also a photo insert with 30 historic photographs. This volume is 312 pages. Read more about Volume I here.
Volume I is currently available to purchase from the NSS Bookstore.

Volume II
The volume includes all of the expedition applications and the associate correspondence. This volume is 408 pages long. Read more about Volume II here.
Volume III
This volume contains rosters of all expedition participants and their roles. It also includes correspondence with companies sponsoring the expedition, expedition instructions, in-cave telephone system design, logs of all telephone calls, telephone messages, and transcripts of all telephone calls. There is also a photo insert with 20 historic photographs. This volume is 328 pages long. Read more about Volume III here.
Volume IV
This volume includes transcripts of interviews with expedition members, transcripts of news broadcasts, public relations reports, expedition bulletins, camp logs, trip reports, mapping reports, and post-expedition correspondence. This volume is 448 pages long. Read more about Volume IV here.
Volume V
This volume includes scans of articles about the expedition once it was over, and on planning and writing The Caves Beyond book. This volume is 383 pages long. Read more about Volume V here.
Volume VI
This volume includes more letters and correspondence about The Caves Beyond and an additional photo insert. This volume in 249 pages long. Read more about Volume VI here.




