WILSON, J. DOUGLAS.
Simplified roof framing, by J. Douglas Wilson and S. O. Werner.
WILSON, J. DOUGLAS. Simplified roof framing, by J. Douglas Wilson and S. O. Werner. © 9Mar27; A967648. J. Douglas Wilson (A) and Sophie H. Werner (W); 9Aug54; R134350.
J. Douglas Wilson|A||and Sophie H. Werner|W