Concrete #1 - Dark Horse Comics - 1987 - Second Print
Concrete #6 - Dark Horse - 1988
Concrete Fragile Creature #1 - Dark Horse - 1991
Concrete Fragile Creature #2 - Dark Horse - 1991
Concrete: Eclectica #2 (of 2) - Dark Horse - 1993
Concrete: Odd Jobs - Dark Horse - 1990
