Stewart, J. L., O´Connor, W. V., & Brinnin, J. M. John Crowe Ransom, Ezra Pound y William Carlos Williams.

Stewart, John L., William Van O´Connor, and John Malcolm Brinnin. John Crowe Ransom, Ezra Pound Y William Carlos Williams.

Stewart, John L., et al. John Crowe Ransom, Ezra Pound Y William Carlos Williams.