John O'Brien
Timeline of works
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1917We'll Knock the Heligo-Into Heligo Out of Heligoland!Place & Publisher Leo Feist, Inc. New YorkSubjects:Portraits, Cartoons, Beaches, Panoramic views, Military officers, Germany, Caricatures, Seamen, Warships, Bombardment, Patriotism, Forts & fortifications, Canals, Islands, Naval yards & naval stations, World War I
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1917We'll Knock the Heligo-Into Heligo Out of Heligoland!Place & Publisher Leo Feist, Inc. New YorkSubjects:Portraits, Cartoons, Beaches, Panoramic views, Military officers, Germany, Caricatures, Seamen, Warships, Bombardment, Patriotism, Forts & fortifications, Canals, Islands, Naval yards & naval stations, World War I