Bibliographia Manichaica : a comprehensive bibliography of Manichaeism through 1996 / by Gunner B. Mikkelsen. - Mikkelsen, Gunner B. (OLS)http://pul/name/26615 (Brepols, 1997)
Contiene indice.

The secularization of the european mind in the nineteenth century : the gifford lectures in the University of Edinburgh for 1973-4 / Owen Chadwick. - Chadwick, Owen, 1916- (OLS)http://pul/name/12963 (Cambridge University Press, 1975)
Bibliografia nelle note finali.