Phoenix Omnibus 1

X-Men #97 (1963), X-Men #98 (1963), X-Men #99 (1963), X-Men #100 (1963), X-Men #101 (1963), X-Men #102 (1963), X-Men #103 (1963), X-Men #104 (1963), X-Men #105 (1963), X-Men #107 (1963), X-Men #108 (1963), X-Men #125 (1963), X-Men #126 (1963), X-Men #127 (1963), X-Men #128 (1963), X-Men #129 (1963), X-Men #130 (1963), X-Men #131 (1963), X-Men #132 (1963), X-Men #133 (1963), X-Men #134 (1963), X-Men #135 (1963), X-Men #136 (1963), X-Men #137 (1963), X-Men #138 (1963), Bizarre Adventures #27 (1981), What If? #27 (1977), Classic X-Men #6 (1986), Classic X-Men #8 (1986), Classic X-Men #13 (1986), Classic X-Men #18 (1986), Classic X-Men #24 (1986), Classic X-Men #43 (1986)