X-Men Epic Collection Volume 4: It's Always Darkest Before The Dawn

Collects:

The X-Men #67-93

Annuals:

The X-Men Annual #1-2 

Appearances:

Amazing Adventures #11-17, The Amazing Spider-Man #92, The Incredible Hulk (1968) #150, 161, 172, 180-182, Marvel Team-Up #4, 23