A trade magazine, also called a trade journal or trade paper (colloquially or disparagingly a trade rag), is a magazine or newspaper whose target audience is people who work in a particular trade or industry.[2] The collective term for this area of publishing is the trade press.[3]
^"Again, Mitchell". Time Magazine. Time. June 10, 1929. Archived from the original on May 21, 2013. Retrieved August 26, 2007. "Monthly magazine until this month called Popular Aviation and Aeronautics. With 100,000 circulation it is largest-selling of U. S. air publications." "Editor of Aeronautics is equally airwise Harley W. Mitchell, no relative of General Mitchell."