| Call Number | Subject |
|---|---|
| DG 988.8 | Guidebooks |
| DG 989 | General works |
| DG 989.5 | Antiquities |
| DG 989.7 | Social life & customs. Civilization. Intellectual life |
| DG 989.8-994.8 | History |
| - DG 989.8 | - Dictionaries. Chronological tables, outlines, etc. |
| - DG 990 | - General works |
| - DG 991.5-991.6 | - Foreign & general relations |
| - DG 992-994.8 | - By period |
| - - DG 992.2-992.3 | - - 870-1530. Arabic, Norman, Angevin & Aragonese domination |
| - - - DG 992.2 | - - - General works See also DG867.299 History of Sicily |
| - - DG 992.5-992.65 | - - 1530-1798. Rule of the Knights of Malta |
| DG 999.A-Z | Local history & description, A-Z |
| - DG 999.H3 | - Hall Farruġ |