THE BUILD-IT BOOK OF ELECTRONIC PROJECTS By Rudolf F Graf

"Airfix Magazine" Guide 11: R.A.F. Camouflage of World War Two - Michael Bowyer

Airfix Magazine Guide Books x6 No’s 2, 15, 20, 21, 26, 27. 1970’s Kit Modelling

Japanese Aircraft Of The Pacific War, by R. J. Francillon.

The Build-It Book of Electronic Projects by George J. Whalen and Rudolf F. Graf

Vintage Second & Third Book of Electronics Projects TAB Books by John E Traister

Vintage Radio Shack New 1974-75 Dictionary of Electronics by Rudolf F. Graf.