The Military and Police Forces of the Gulf States Volume 4: Bahrain, Kuwait and Qatar 1921-1980 is the fourth in the series. The previous three volumes are:
- The Military and Police Forces of the Gulf States Volume 1 - Trucial States and United Arab Emirates, 1951-1980
- The Armed Forces of the Gulf States Volume 2 - Oman 1921-2012
- The Military and Police Forces of the Gulf States Volume 3 - The Aden Protectorate 1839-1967 (reviewed by Frank Landrus)
This volume covers three Gulf Arab states. While small in physical size, they have become an economic and security center of the Middle East.