• Cockpit Voice Recorders (CVR) and Flight Data Recorders (FDR) General information from the NTSB.
• Black boxes General information from the Australian Transportation Safety Board.
• World’s first flight memory recorder (Black box) Back box history.
• Feasibility of Airborne Flight Recorders on Commercial Aircraft by Miles A. Cox, Erik P. Fantasia, Benjamin D. Rider, Timothy M. Rye - April 2000
• A Better Black Box by Mark Alpert, Scientific American
• ARINC- Digital Flight Data Recorder (DFDR) Subcommittee
• Howstuffworks - How Black Boxes Work

Regulations:

• Revisions to Digital Flight Data Recorder Rules (FAA Rule 18 August 1997) -
• AC 20-141 Airworthiness And Operational Approval Of Digital Flight Data Recorder Systems (FAA Advisory Circular 5 October 1999)
• AC 25.1457-1A Cockpit Voice Recorder Installations (FAA Advisory Circular 3 November 1969)
• AC 21-10A Flight Recorder and Cockpit Voice Recorder Underwater Locating Devices (FAA Advisory Circular dated 19 April 1983)
• Transport Canada CAR 625.33 Flight Data Recorders and Cockpit Voice Recorders

Industry:

• Smiths Aerospace Model 3253 Voice & Data Recorder
• L-3 Communications Corp. Aviation Recorders -
• Universal Avionics Systems Corporation Cockpit Voice Recorders (CVR)
• SightRecorder -
• Honeywell Cockpit Voice and Flight Data Recorders
• SFIM Inc. Aircraft Data Recording Systems