31.   He was editor and principal author of a multivolume work on the peaceful uses of atomic energy.

32.   Herrera, a principal author of the death penalty law, has cited studies showing not just an increasing incidence of rape with homicide but also of incestuous rape.

33.   The principal author of the constitution was Sidney Webb, an enthusiast for strong central government and, in his later years, an uncritical apologist for Stalin.

34.   They include soldiers from the Rwandan Armed Forces and Hutu militia, who were the principal authors of the genocide.

35.   Most international observers consider the Hutu-dominated Interahamwe death squads the principal authors of the massacres, with Tutsis and moderate Hutus the main victims.