Ginsberg, A., Cassady, N., Gifford, B., & Cassady, C. (1977). As ever: The collected correspondence of Allen Ginsberg & Neal Cassasy / foreword by Carolyn Cassady. Edited with an introduction by Barry Gifford. Afterword by Allen Ginsberg. Creative Art Book.

Ginsberg, Allen, Neal Cassady, Barry Gifford, and Carolyn Cassady. As Ever: The Collected Correspondence of Allen Ginsberg & Neal Cassasy / Foreword by Carolyn Cassady. Edited with an Introduction by Barry Gifford. Afterword by Allen Ginsberg. Berkeley, Calif.: Creative Art Book, 1977.

Ginsberg, Allen, et al. As Ever: The Collected Correspondence of Allen Ginsberg & Neal Cassasy / Foreword by Carolyn Cassady. Edited with an Introduction by Barry Gifford. Afterword by Allen Ginsberg. Creative Art Book, 1977.