The p4a.com database contains records in over 1,200 separate classifications. As examples, the following links show an actual database record for each of these representative areas:

• advertising
• african-american
• ancient artifacts
• architectural
• autographs
• banks
• barbershop & coin-op
• books
• bottles, flasks & jars
• boxes
• clocks & watches
• country store
• crafts & folk art
• decorative accessories
• dolls
• ephemera
• firearms & edged weapons
• furniture
• games
• glass
• holiday & patriotic
• jewelry
• kitchen & household
• lighting
• militaria
• miscellaneous
• money, stamps & medals
• movies, stage, radio & tv
• music
• native american
• natural history
• nautical
• optical
• oriental carpets & rugs
• paintings
• pewter, tin & tole wares
• photographica
• pottery & porcelain
• science & technology
• sculpture
• silver & gold
• sports
• textiles & clothing
• tools & measuring devices
• toys
• transportation
• weapons & hunting gear
• works on paper