First Editions:
Horns - 1
NOS4A2 - 2
Fireman - 1
L/E
Pop Art
The Saved
Gunpowder
IDW The First Decade
Four Ghosts
A Carnivale of Horrors
Postscripts 3
Postscripts 10
20th Century Ghosts - 2 (original and 10th anniversary)
Heart Shaped Box - 2 (Sub Press and UK)
Horns
Land at the End of the Working Day
Shadow Show
Subterranean Tales of Dark Fantasy 2
Looking Glass
Smoke and Mirrors
The Very Best of Best New Horror
NOS4A2
probably one or two other anthologies I missed...