Investigation into Apollo 204 Accident. hearings before the United States House Committee on Science and Astronautics, Subcommittee on NASA Oversight, Ninetieth Congress, first session, on Apr. 10, 1967. Volume 2, Part 3 :

Committee Serial No. 3. Contains Appendices D (continuation), E, F, and G to the formal report of investigation by the Apollo 204 Review Board of the Apollo 204 accident at Kennedy Space Center on Jan. 27, 1967, when three astronauts perished.