Mackay, J. H., & Kennedy, H. C. (1991). Dear Tucker: The letters from John Henry Mackay to Benjamin R. Tucker / edited by Hubert Kennedy. Peremptory.

Mackay, John Henry, and Hubert C. Kennedy. Dear Tucker: The Letters from John Henry Mackay to Benjamin R. Tucker / Edited by Hubert Kennedy. San Francisco: Peremptory, 1991.

Mackay, John Henry, and Hubert C. Kennedy. Dear Tucker: The Letters from John Henry Mackay to Benjamin R. Tucker / Edited by Hubert Kennedy. Peremptory, 1991.