| Air Doctrine (Air Force) |
| Army Training Digital Library (Army) |
| Center for Army Lessons Learned (Army) |
| College of Aerospace Doctrine, Research and Education (CADRE) (Air University) |
| DoctrineLINK (Federation of American Scientists, Military Analysis Network) |
| Joint Electronic Library (Joint Chiefs of Staff) |
| Marine Corps Publications Electronic Library (Marine Corps) |
| Navy Warfare Development Command (Navy) |
| U.S. Army Training and Doctrine Command (Army) |