Measuring the Benefits of Intercity Passenger Rail: A Study of the Heartland Flyer Corridor
Ocean Passenger Vessels: Migrating South for the Winter. Special Report
Staff Airport System Airline Passenger Ticket Survey
People's Republic of China Railroad Passenger Timetables, June 1977
State Airport System Airline Passenger Ticket Survey
Transportytelser i Norget 1946-2004 (Transport Volumes in Norway 1946-2004)