List of holders : Bentley's second phrase code /
Bentley, E. L.,compiler.
Cover title.
"16th October, 1934"--Cover.
"Fifth list."
"As notified to us up to 7th September, 1934"--Page [3]
"This list contains the names only of such firms as have sent in registration cards or have definitely advised us that they are actual holders of the code."
Cipher and telegraph codes.