Justice League
Justice League United
Justice League 3000
Aquaman
Aquaman and The Others
Wonder Woman
The Flash
Green Arrow
Earth 2
Worlds' Finest
Secret Origins
Batman
Detective Comics
Batman and...
Batgirl
Batwoman
Batwing
Birds of Prey
Catwoman
Red Hood and the Outlaws
Harley Quinn
Superman
Action Comics
Superboy
Supergirl
Batman/Superman
Superman/Wonder Woman
Green Lantern
Green Lantern Corps
Green Lantern: New Guardians
Red Lanterns
Sinestro
All-Star Western
Infinity Man and the Forever People
Star-Spangled War Stories
Justice League Dark
Swamp Thing
Constantine
Trinity of Sin: Pandora
Trinity of Sin: Phantom Stranger
Batman Eternal
Future's End
42 or 48 depending on how you count the weeklies.