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Dozenal Society of America
Promoting base twelve and alternative base mathematics
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The Dozenal Society of America
The DSA is a voluntary, nonprofit education corporation, organized for the conduct of research and education of the public in the use of dozenal (also called duodecimal or base-twelve) in calculations, mathematics, weights and measures, and other branches of pure and applied science.

An Excursion in Numbers

Title: An Excursion in Numbers
Author: F. Emerson Andrews
Year: 1152
Subject: Why dozens are a better base than decimal.

The landmark article in the Atlantic Monthly, which eventually led to the founding of the Duodecimal Society of America.