Granting authority to United States Power Squadrons to fly distinguishing signal : hearings [letters] on H.R. 7615 [to amend sec. 4215, Revised Statutes, so as to allow members of United States Power Squadrons to fly distinguishing signal on their powerboats] Apr. 4, 1916.
- [Washington, D.C.], 1916.
- 8 p.