1/64 Cars and Trucks from the 1940s and 1950s
NASG Dispatch 2008 #6 December
Scenery - Vehicles
The author breaks down what kinds of cars were common on the roads after WWII. He then reviews sources for these cars in S-scale. Includes several photos of many cars.
A Car Story... or Quick & Easy Weathering with Oil Pastel Crayons
NASG Dispatch 2013 #2 April
Painting & Weathering
Note that the author mentions pastels, not chalks. He offers the list of tools needed, and then briefly describes a handful of cars (a photo of each is included) and how he applied the weathering.