151-2X

Editor: Ralph Beard
Associate Editor:
Volume: 15
Issue: 1
Whole Number: 2X
Year: 1175
Subject: Dozenal Abacus; Doremic money, volume, mass; The “New Yorker” reports DSA meeting
http://www.dozenal.org/drupal/sites_bck/default/files/DuodecimalBulletinIssue151-web_0.pdf