Here's a checklist I did for OWAW:
Superman 171 – Pt 1 (V1)
Green Lantern: OWAW – Pt 2 *
Adventures 593 – Pt 3 (V1)
Batman: OWAW – Pt 4 *
Man of Steel 115 – Pt 5 (V1)
Young Justice: OWAW – Pt 6 *
Superboy 89 – Pt 7 *
Action 780 – Pt 8 (V1)
OWAW SF – Pt 9 *
Supergirl 59 – Pt 10 (V1)
Wonder Woman 171 – Pt 11 (Paradise Found TPB)
Superman 172 – Pt 12 (V1)
JLA: OWAW – Pt 13 (V1)
YJ 35 – Pt 14 *
Adventures 594 – Pt 15 (V1)
Nightwing: OWAW – Pt 16 *
Man of Steel 116 – Pt 17 (V1)
JSA: OWAW – Pt 18 *
Superboy 90 – Pt 19 *
Action 781 – Pt 20 (V1)
Wonder Woman: OWAW – Pt 21 *
Batman 593 – Pt 22 *
Supergirl 60 – Pt 23 *
Wonder Woman 172 – Pt 24 (V2 + Paradise Found TPB)
Superman 173 – Pt 25 (V2)
YJ 36 – Pt 26 (V2)
Adventures 595 – Pt 27 (V2)
Flash: OWAW – Pt 28 *
Impulse 77 – Pt 29 (V2)
Man of Steel 117 – Pt 30 (V2)
Harley Quinn: OWAW – Pt 31 *
Superboy 91 – Pt 32 (V2)
Action 782 – Pt 33 (V2)
Batman 594 – Pt 34 *
Wonder Woman 173 – Pt 35 (V2 + Paradise Found TPB)
World’s Finest: OWAW – Pt 36 (V2)
Supergirl 61 – Pt 37 *
* = uncollected issues