Mainline Publications was created in 1953.
Midland Mainline was created in 1997.
Mainline Steam was created in 1988.
Inches from the Mainline was created on 2000-10-03.
McKenna Mendelson Mainline was created in 1968.
Magna Publications was created in 1972.
Gemini Publications was created in 1979.
Advance Publications was created in 1922.
DNA Publications was created in 1993.
Heartland Publications was created in 2004.
Insomnia Publications was created in 2006.
Oneworld Publications was created in 1986.
Ticonderoga Publications was created in 1996.