• International Academy of Pathology(IAP)
• United States and Canadian Academy of Pathology (USCAP)
• Asia Pacific Pathology(APIAP)
• Armed Forces Institute of Pathology (AFIP)
• Pathology Department at Johns Hopkins University
• PathologyOutlines.Com
• Pathmax
• International Association of Chinese Pathologists (IACP)
• ImmunoQuery
• College of American Pathologists (CAP)
• Japanese Division of IAP
• Korea Division of IAP
• cytology stuff
• cytopathnet
• The International Academy of Cytology
• Johns Hopkins cytopathology
• Tripath image
• Thinprep