The Papers of George Catlett Marshall: "We Cannot Delay," July 1, 1939-December 6, 1941 (Volume 2): 9780801825538: Medicine & Health Science Books @ Amazon.com
NPD) Marshall Echohead Delay : r/guitarpedals
Marshall - EH1 Echohead - Pre-Owned :: Clevedon Music Shop
Marshall EH-1 Echohead Delay Pedal | Reverb
Marshall EH-1 Echohead Delay Pedal + tap tempo | Reverb
Marshall Echohead Digital Delay | Musician's Friend