Complete Builder's Guide for El Chopper ET

Custom Chopper Magazine July 1973

Custom Chopper Magazine October 1972

Techno-Chop Mike Seate 2005 First Edition Motorcycle Chopper Builders Motorbooks

How To Build A Chopper Timothy Remus 2001 Motorcycle Guide Wolfgang

EASYRIDERS APR 1977 ADULT BIKER MAGAZINE EARLY No 46 chopper custom motorcycle

2008 HOT BIKE MAGAZINE MOTORCYCLE V-TWIN CHOPPER HARLEY CUSTOM BOBBER BAGGER

Custom Chopper Magazine Dec 1973