1. Bachrach, Bernard S., Merovingian Military Organization 481-751, University of Minnesota Press, Minneapolis, 1972.
2. Bachrach, Bernard S., “Toward a Reappraisal of a William of Great, duke of Aquitanie (995-1030)”, Journal of Medieval History, Volume 5, Issue 1, 1979, s. 11-21.
3. Bachrach, David, Feudalism, Romanticism, and Source Criticism: Writing the Military History of Salian Germany, Journal of Medieval Military History, (Eds. Clifford J. Rogers, Kelly DeVries, John France), Volume XIII, Boydell Press. Boydell & Brewer, 2015, s. 1-25.
4. Beeler, John Warfare, in Feudal Europe 730-1200, Cornell University Press, Ithaca & London, 1971.
5. Bloch, Marc, Feodal Toplum, (çev. Mehmet Ali Kılıçbay), Birinci Baskı, Savaş Yayınları, Ankara, 1983.