A 3-view line drawing of the Columbia XJL-1.
Bureau of Aeronautics, Navy Department
<a rel="nofollow" class="external free" href="http://www.alternatewars.com/SAC/XJL-1_ACP_-_1_January_1947.pdf">http://www.alternatewars.com/SAC/XJL-1_ACP_-_1_January_1947.pdf</a>