Mills, B. 1. (2017). Treacherous passage: Germany's secret plot against the United States in Mexico during World War I. United States of America: Potomac Books, an imprint of the University of Nebraska Press..

Mills, Bill 1958-. Treacherous Passage: Germany's Secret Plot against the United States in Mexico During World War I. United States of America: Potomac Books, an imprint of the University of Nebraska Press., 2017.

Mills, Bill 1958-. Treacherous Passage: Germany's Secret Plot against the United States in Mexico During World War I. United States of America: Potomac Books, an imprint of the University of Nebraska Press., 2017.