Historical Dictionary of Portugal
Douglas L. Wheeler
Historical Dictionary of Slovakia
Stanislav J. Kirschbaum
Historical Dictionary of Belgium
Robert Stallaerts
Historical Dictionary of the Czech State
Rick Fawn
Historical Dictionary of Albania
Robert Elsie
Historical Dictionary of Cyprus
Farid Mirbagheri & Emilios A. Solomou
Historical Dictionary of Montenegro
Bojka Djukanović
Historical Dictionary of Modern Greece
Dimitris Keridis
Historical Dictionary of the Russian Federation
Robert A. Saunders
Historical Dictionary of North Macedonia
Dimitar Bechev