John N. Luff's foundational 1902 reference cataloging every U.S. stamp issue from 1847 onward, re...

Volume 12 of Harper's illustrated WWI series examining the war's political, territorial, and inst...

J.F.C. Fuller's influential 1926 treatise applying scientific method and systems thinking to the ...

Canonical Cold War reference on nuclear weapons effects covering blast, thermal radiation, fallou...

W.A.S. Westoby's 1898 catalog of European postage stamps covering dozens of nations and vanished ...

Archibald Hurd's pre-WWI analysis of British naval supremacy under challenge from Germany's dread...

An American consul's firsthand letters from 1850s North Africa observing French colonial Algeria,...

Prosopographical register of Schoharie County, New York veterans from the Revolution through the ...

Early interwar assessment of aviation's dual role in military doctrine and civilian commerce, dra...

Regimental history of British India's Corps of Guides, the elite frontier scouts raised in 1846 f...

On 3 May 1880, Louis Pasteur stood before the French Academy of Sciences and argued that the livi...