-
1Dahkki Paul, Peter V.Fáttát “...Deaf Means of communication Study and teaching....”
Almmustuhtton 2001
Girji -
2Dahkki Quigley, Stephen P. (Stephen Patrick), 1927-Fáttát “...Deaf Means of communication Study and teaching....”
Almmustuhtton 1984
Girji