ISASC-Euro
European Chapter of ISASC
Maß und Gewicht
German Scale Society
Gewichten en Maten Verzamelaars Vereniging
Dutch Scale Society
Scales-and-Weights.com
Matt Haas
Stanton Instruments Limited
Thomas Allgeier
Gold Scales & Troy Weights
Tony McCarthy, Mal Campbell
Letter Scales
Andre Sol
The History of Measurements
(Thanks to Rachel Martin's after school educational program for the addition of this link. Enjoy your pizza!)