- American Society of Appraisers
- Appraisal Foundation
- Appraisers Association of America,
- Art Dealers Association of America,
- askART
- Fine Art Dealers Association,
- International Fine Print Dealers Association
- International Society of Appraisers
- Nat’l Antique & Art Dealers Assoc. of America, Inc.
- Peter Eller Art – Fine Art Sales and Independent Fee Appraisals,
- Private Art Dealers Association
- Sothebys, New York
- Uniform Standards of Professional Appraisal Practice (USPAP),
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