- 1Michael Roy Williams
A history of computing technology
Englewood Cliffs: Prentice-Hall 1985; X, 432 S. : Ill., graph. Darst.
Rechenmaschine; Geschichte Anfänge-1968; Computer - 2Michael Williams
Ford & Fordson tractors
Poole: Blandford Press 1985; 128 S. : zahlr. Ill., graph. Darst.
Ford / Schlepper; Schlepper