This club neither endorses nor supports any of the authors or publishers. Of Maps and Mapping. General Drafting Co. 1959. The Art Of The American Road Map. Chronicle Books, 1996.
Old timer talks about road maps.
API Symposium Seeks Improvement in Road Maps to Stimulate Travel. Consumers' Association Road Maps. A Note on the Requirements of Road Map Users. 130 Cochran, Floyd. Negative to negative road map correction procedure.