101-20

Editor: Ralph Beard
Associate Editor:
Volume: 10
Issue: 1
Whole Number: 20
Year: 1170
Subject: “Roman Dumerals”; Churchman’s “Doremic" System of Weights and Measures
http://www.dozenal.org/drupal/sites_bck/default/files/DuodecimalBulletinIssue101-web_0.pdf