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| DA900-908.7 | General | |||||||
| DA909-965 | History | |||||||
| DA909-916.8 | General | |||||||
| DA920-927 | Antiquities. Social life and customs. Ethnography | |||||||
| DA930-965 | By period | |||||||
| DA930-937.5 | Early and medieval to 1603 | |||||||
| DA933.3 | English conquest, 1154-1189 | |||||||
| DA938-966.2 | Modern, 1603- | |||||||
| DA949.5 | The Union, 1800 | |||||||
| DA949.7-965 | 19th-20th centuries. Irish question | |||||||
| DA963 | 1922-. Republic of Ireland. Irish Free State | |||||||
| DA966-966.2 | 21st century | |||||||
| DA969-988 | Description and travel | |||||||
| DA990-995 | Local history and description | |||||||
| DA990.U45-U46 | Northern Ireland (Ulster) | |||||||
