The Parallel History Project on Cooperative Security (PHP) is an open source website reference compilation, research project, and analysis nexus sparked by the progressive increase in the declassification of NATO and Soviet bloc documents related to Cold War activities, as viewed by both sides.
history | American Museum of Natural History | Natural History Museum | History | Manhattan Project | History (U.S. TV channel) | natural history | Field Museum of Natural History | History of China | National Museum of Natural History | Project Runway | The History Channel | Project Mercury | Natural history | Jewish history | Swedish Museum of Natural History | Natural History | National Museum of American History | Human Genome Project | Carnegie Museum of Natural History | 26th parallel south | 10th parallel south | The Blair Witch Project | Project Gemini | art history | AP United States History | 34th parallel north | 31st parallel south | Project Greenlight | Parallel universe (fiction) |