1. History of Chemical Engineering,1980
2. One Hundred Years of Chemical Engineering,1989
3. The early history of chemical engineering: a reassessment;Cohen;Brit. J. Hist. Sci.,1996
4. Zum Verhältnis von Verfahrenstechnik, Chemie-Ingenieur-Wesen und Technischer Chemie;Hofmann,1997
5. Chemical engineering: a rich and diverse history;Kim;Chem. Eng. Prog.,2002