Cluster — 9 works.
Defining concepts
Disillusionment (8), War and its Cost (6), First World War (5), Grief and Loss (5), Death (5), Faith and Doubt (4), Blood (4), Outsider (4), Italy (4), Alienation (3), Wine and Drink (3), Bullfighting (3), Sea (3), Lyric (3), Swords and Weapons (3)