MCEL-BK Morse Code: The Essential Reading 2nd. Ed. 1991.

Morse Code: The Essential Language by Peter Carron, W3DKV covers Morse Codes’s fascinating history and its up-to-date applications. It teaches you how to receive and send, plus there is a chapter of high-speed operation. Learn how to handle distress calls not only from the ham bands but also aircraft frequencies as well. In its conclusions, there is a look into the future and super CW.

ARRL. 2nd Edition. 1991.