Mark Condor. Death holds a festival.-Mobeni, Natal: Look-Read Magazines, [19--]. Box 10 Unit ID: M128495/298
Marvel comics checklist.- Minneapolis, Minn: Joel Thingvall, 1973 Box 44 Unit ID: M128495/943 Date: 1973
Marvelmania monthly magazine.- Culvert City, Calif.: Marvelmania International, 1970 Box 44 Unit ID: M128495/945 Date: 1970