They are stamped with the vin on the pas side radiator support and there's a stamped metal plate on the aft end of the driver's door These should agree with the title.
In addition to the previously listed items, look for the following; leaking radiator, leaking/rotted freeze plugs on the block especially behind the mounts, Battery, batt tray and corrosion under and forward and aft of batt area of right forward corner sheet metal, brakes (rusted lines as described before), parking brake/pb release, steering suspension parts worn or loose, leaking power steering pump/lines/grbox/wiper motors (they run off the power steering), carb dirty,leaking rear main seal, oil consumption, smoke, running temp when warm, points/plugs/cap/rotor/belts/hoses/fuel filter, fuel tank contamination, heater core/controls, those tires are questionable,Trans fluid color/qty, trans operation, exterior/interior lights,guages, power window motors...etc.
Good luck and have fun.