Cornell University Library · Nabu Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Instructions for Voluntary Observers of the Signal Service, United States Army | 978-1-145-04090-8 (1-145-04090-X) | 2010 |
| Visual Signaling: Signal Corps, United States Army, 1910 | 978-1-112-53301-3 (1-112-53301-X) | 2009 |
A. S. · s. a. · S A S · S S · u.a. · U. S. · U.S.A. · U.S. Army · United States · United States Army