Cancellation Sequence in 7 Steps: 1, etching, 20.75″ x 20.25″, 1978
Cancellation Sequence in 7 Steps: 2, etching, 21″ x 20.25″, 1978
Cancellation Sequence in 7 Steps: 3, etching, 21″ x 20.25″, 1978
Cancellation Sequence in 7 Steps: 4, etching, 21″ x 20″, 1978
Cancellation Sequence in 7 Steps: 5, etching, 20.75″ x 20.25″, 1978
Cancellation Sequence in 7 Steps: 6, etching, 21″ x 20.25″, 1978
Cancellation Sequence in 7 Steps: 7, etching, 21″ x 20.25″, 1978
Cancellation Sequence in 7 Steps, 1978