Hayes, Clair W.

The Boy Allies with Uncle Sam's Cruisers

Hayes, Clair W.

The Boy Allies under Two Flags

Hayes, Clair W.

The Boy Allies with Haig in Flanders; Or, the Fighting Canadians of Vimy Ridge

Hayes, Clair W.

The Boy Allies in the Baltic; Or, Through Fields of Ice to Aid the Czar

Hayes, Clair W.

The Boy Allies with Pershing in France; Or, Over the Top at Chateau Thierry

Hayes, Clair W.

The Boy Allies on the North Sea Patrol. Or, Striking the First Blow at the German Fleet

Hayes, Clair W.

The Boy Allies with the Terror of the Seas; Or, The Last Shot of Submarine D-16

Hayes, Clair W.

The Boy Allies with the Cossacks; Or, A Wild Dash over the Carpathians

Hayes, Clair W.

The Boy Allies on the Firing Line; Or, Twelve Days Battle Along the Marne

Hayes, Clair W.

The Boy Allies in Great Peril; Or, With the Italian Army in the Alps

Hayes, Clair W.

The Boy Allies with the Victorious Fleets; Or, The Fall of the German Navy

Hayes, Clair W.

The Boy Allies Under the Sea; Or, The Vanishing Submarines

Hayes, Clair W.

The Boy Allies in the Trenches; Or, Midst Shot and Shell Along the Aisne

Hayes, Clair W.

The Boy Allies at Jutland; Or, The Greatest Naval Battle of History

Hayes, Clair W.

The Boy Allies at Verdun; Or, Saving France from the Enemy

Hayes, Clair W.

The Boy Allies at Liège; Or, Through Lines of Steel

Hayes, Clair W.

The Boy Allies in the Balkan Campaign; Or, the Struggle to Save a Nation

Hayes, Clair W.