Other
Daniel Grossman: Airships: Lz 129 Hindenburg
A comprehensive look at the design, history, and crash of the Hindenburg airship. Includes flight plans, engineers' drawings, and photos of the interior and exterior. Many first- and second-person accounts of seeing the Hindenburg can be...
US National Archives
Nara: Military Resources World War I
A compilation of resources on World War I from the National Archives and Records Administration, including links to external sites.
Other
In Their Words: The Meuse Argonne: A Decisive Battle
Read this overview of what became known as the Meuse-Argonne Campaign, the last major battle of World War I. Included is a section with personal accounts of soldiers involved in the campaign, and pictures of artifacts related to the battle.
Other
Wichita State University: The Golden Age of the Great Passenger Airships
Online exhibit about one engineer's role in the designing and making of passenger airships or 'zeppelins'
The History Place
The History Place: The Night of the Long Knives
This site from The History Place provides a lengthy discussion with quotes about the take over of the Sturmabteilung (SA) by the Shutzstaffel (SS) in 1934 and the leader of the SA, Rohm, is assassinated.