Mark Hanerfeld
Mark Hanerfeld is credited as writer on 7 issues in grailworth's catalog, 5 issues of them across 5 series we value.
Every issue
DC Special (1968) 1 issue
House of Mystery (1951) 1 issue
Justice League of America (1960) 1 issue
The Phantom Stranger (1969) 1 issue
The Spectre (1967) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.