• PM&M - German Porcelain Mark and Manufacturers
  
  
• American Art Pottery Association
  
  
• CeramicMarksFinder.com
  helps Collectors, Dealers and appraisers to Identify & Date Western Ceramics marks (China [Dinnerware], Pottery, Porcelain etc).
  
  
• Oriental-Ceramic-Society
  
  
• Chinese porcelain history
  
  
• Chinese dynasty history
  
  
• Asiatica dealer