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Subclass CD
| CD1-6471 | Diplomatics. Archives. Seals | |||
| CD1-511 | Diplomatics | |||
| CD70-79 | Practice of special chancelleries | |||
| CD80-81 | Formularies | |||
| CD87 | Forgeries of documents | |||
| CD91-392 | Collection of documents, facsimiles, etc., for study | |||
| CD501-511 | Study and teaching | |||
| CD921-4280 | Archives | |||
| CD995-4280 | History and statistics | |||
| CD997 | Biography of archivists | |||
| CD1000-4280 | By region or country | |||
| CD5001-6471 | Seals | |||
| CD5191 | Iconography | |||
| CD5201-5391 | Ancient | |||
| CD5501-5557 | Medieval | |||
| CD5561 | Renaissance | |||
| CD5575-6471 | Modern | |||
