Subclass C - Auxiliary Sciences of History (General).

Subclass CB - History of Civilization.

Subclass CC - Archaeology.

Subclass CD - Diplomatics. Archives. Seals.

Subclass CE - Technical Chronology. Calendar.

Subclass CJ - Numismatics.

Subclass CN - Inscriptions. Epigraphy.

Subclass CR - Heraldry.

Subclass CS - Genealogy.

Subclass CT - Biography.

For more information please visit: