The Duodecimal review.
Duodecimal Society of Great Britain.
Leigh-on-Sea, Essex : Duodecimal Society of Great Britain,
Uses the duodecimal system of numbering.
The official journal of the Duodecimal Society of Great Britain (incorporating the Duodecimal Association).
Duodecimal Society of Great Britain
Duodecimal system
Dozenal review