THE REVENGER #3 The Vendetta Contract Jon Messmann 1974.

Phone Call By Jon Messmann Paperback

Trailsman 191 by Sharpe, Jon; Messmann, Jon

THE REVENGER #3 The Vendetta Contract by Jon Messmann Signet PB 1974

The Swiss Secret by Jon Messmann (1974, Paperback)

Handyman #6: The Inheritors by Jon Messmann (1975, Paperback)

THE DARK MILL by Claudette Nicole (Jon Messmann) 1972 Gothic Paperback

Murder Today, Money Tomorrow by Jon Messmann (1973, Paperback) Sf3