Title: Four Australians at war
Subjects: Correspondence, World War, 1914-1918, Australian Personal narratives, Biography, Soldiers, World war, 1914-1918, personal narratives, World war, 1939-1945, prisoners and prisons, Military and warfare, History
Places: Australia
People: Wallace Campbell (1892-1979), William Scott Mair (1874-1930), Harold Campbell (1895-1917), Arthur George Thynne (1892-1959)