Included with this material is the Adobe Acrobat Reader with versions for Windows 95/98, Linux, and the Mac.
While there is no known reason why Linux and Mac users can't use this item, cross-platform compatibility cannot be guaranteed.
Volume II: Early Concepts of Military Aviation (478 pages)
Volume III: The Battle of St. Mihiel (810 pages)
Volume IV: Postwar Review (635 pages)