World War I Casualties (Wikipedia)

This source names Austria directly: "France, Italy, Belgium, Germany, Austria and Russia, the Commonwealth War Graves Commission, and historian Micheal Clodfelter's reference compilation for its noncombatant death estimate."

This source names Belgium directly: "United States, Britain, France, Italy, Belgium, Germany, Austria and Russia, the Commonwealth War Graves Commission, and historian Micheal Clodfelter's reference compilation for its noncombatant..."

This source names France directly: "from the United States, Britain, France, Italy, Belgium, Germany, Austria and Russia, the Commonwealth War Graves Commission, and historian Micheal Clodfelter's reference compilation for its..."

This source names Germany directly: "Britain, France, Italy, Belgium, Germany, Austria and Russia, the Commonwealth War Graves Commission, and historian Micheal Clodfelter's reference compilation for its noncombatant death estimate."

This source names Italy directly: "the United States, Britain, France, Italy, Belgium, Germany, Austria and Russia, the Commonwealth War Graves Commission, and historian Micheal Clodfelter's reference compilation for its noncombatant..."

This source names Russia directly: "Italy, Belgium, Germany, Austria and Russia, the Commonwealth War Graves Commission, and historian Micheal Clodfelter's reference compilation for its noncombatant death estimate."