Extensive list of tchnical articles dealing with standards, regulations and labeling, testing, procedures and tolerances, studies and pricing of feather and down. From the International Feather and Down Laboratory.

Consumer guide on advertising policies in general, and advertising and labelling feather and down products in particular. From the US Federal Trade Commission.

Handbook of guidelines, clarifying the requirements for the labelling of down and feather filled consumer textile goods. From the Canadian Competition Bureau. English and French.

Article about the structure, sensitivity to environmental circumstances, preservation standards and care of feathers. From the Bishop Museum.