Fear, Jeffrey (13 December 2011). "The Business of Genocide: The SS, Slave Labor, and the Concentration Camps. By Michael Thad Allen. Chapel Hill: University of North Carolina Press, 2002. xii + 377 pp. Illustrations, figures, bibliography, notes, index. Cloth, $39.95. ISBN 0-807-82677-4". Business History Review. 78 (1): 163–168. doi:10.2307/25096856. JSTOR25096856.
Wachsmann, Nikolaus (22 April 2016). "Looking into the Abyss: Historians and the Nazi Concentration Camps". European History Quarterly. 36 (2): 247–278. doi:10.1177/0265691406062613. S2CID144698399.
"Michael Thad Allen. <italic>The Business of Genocide: The SS, Slave Labor, and the Concentration Camps</italic>. Chapel Hill: University of North Carolina Press. 2002. Pp. xii, 377. $39.95". The American Historical Review. December 2002. doi:10.1086/ahr/107.5.1657.
Johnson, Eric A. (September 2004). ". By Michael Thad Allen. Chapel Hill: University of North Carolina Press, 2002. Pp. xii+377. $39.95". The Journal of Modern History. 76 (3): 728–729. doi:10.1086/425482.
Fear, Jeffrey (13 December 2011). "The Business of Genocide: The SS, Slave Labor, and the Concentration Camps. By Michael Thad Allen. Chapel Hill: University of North Carolina Press, 2002. xii + 377 pp. Illustrations, figures, bibliography, notes, index. Cloth, $39.95. ISBN 0-807-82677-4". Business History Review. 78 (1): 163–168. doi:10.2307/25096856. JSTOR25096856.
Wachsmann, Nikolaus (22 April 2016). "Looking into the Abyss: Historians and the Nazi Concentration Camps". European History Quarterly. 36 (2): 247–278. doi:10.1177/0265691406062613. S2CID144698399.