translate English to French: Although much of the information emanates from the United States (e.g., American Association of School Administrators, 1981; Curcio & First, 1993; Simpson, Miles, Walker, Ornsbee, & Downing, 1991; Vestermark & Blauvelt, 1978), some comprehensive materials have been developed in Canada and can be found, for example, in Leading the way to violence-free schools:
Bien qu'une bonne part de l'information nous provienne des États-Unis (par ex., American Association of School Administrators, 1981; Curcio et First, 1993; Simpson, Miles, Walker, Ornsbee et Downing, 1991; Vestermark et Blauvelt, 1978), des documents exhaustifs ont déjà été publiés au Canada, par exemple : Leading the way to violence-free schools: