First printings of early volumes are not numbered.
Reprints issues from Cerebus (Aardvark-Vanaheim, 1977 series)
1 - #1-25
2 - #26-50
3 - #52-80
4 - #81-111
5 - #114-136
6 - #139-150
7 - #151-162
8 - #163-174
9 - #175-186
10 - #187-200
11 - #201-219
12 - #220-231
13 - #232-250
14 - #251-265
15 - #266-288
16 - #289-300
Issues #51, 112/113, 137 and 138 were reprinted in Cerebus (Aardvark-Vanaheim, 1993 series) #0.