"A HyperText history of the Second World 2". From the website:
The content of this web site is made up, primarily, of "public domain" (non-copyright) materials in English:
Official government histories (United States and British Commonwealth/Empire);
Source documents (diplomatic messages, Action Reports, logs, diaries, etc.); and
Primary references (manuals, glossaries, etc.)
Wherever possible, hyperlinks between these histories and documents have been included.
"Order of Battle" information compiled by the HyperWar authors. This currently includes pages for each of the ships in the U.S. Fleet; a start on pages for U.S. Army Divisions; and a smaller start on pages for U.S. Marine Corps Divisions.