• passports
• visas (usually in the passport)
• airline tickets
• driver's license
• address book
• international vaccination certificate (yellow card)
• money/dollars
• traveller's checks
• receipt for traveller's checks (kept separately)
• credit cards
• ATM cards (one Cirrus, one Plus)
• International Youth Hostel card
• emergency phone numbers
• insurance policy
• personal checks
• phone card and international access numbers
• wallet
• money belts
• expired passport
• copies of partner's passport
• copy of marriage certificate
• medical history
• copies of prescriptions
• eye prescription
• extra passport photos
• stiff/waterproof folder for important documents