The STRUCTURE HANDBOOK for Model Railroad - (BRAND NEW BOOK)
Sommerfeldt 124 HO Scale DB Tower Structure (Suitable For Tension Pole)
E11-1 - N-Gauge OHLE - Mk1 - Type A Structure Kit for 2-Track (75mm Span)
Nn3 Handbook for Modelling Narrow Gauge in N Scale, 2004, Ted Brandon, USA
Design Handbook for Model Railroads, Paul Mallery, 1979 Carstens, New Jersey USA
