Änderungen

| 1969–1979 || X.–XI. GP || [[Fritz Ledermann]] || [[FPÖ]] ||

| 1969–1979 || X.–XI. GP || [[Fritz Ledermann]] || [[FPÖ]] ||

|-

|-

| 1969–1979 || X.–XI. GP || [[Viktor Mayer-Schönberger der Ältere]] || [[ÖVP]] ||

| 1969–1979 || X.–XI. GP || [[Viktor Mayer-Schönberger (senior)|Viktor Mayer-Schönberger]] || [[ÖVP]] ||

|-

|-

| 1969–1981 || X.–XII. GP || [[Othmar Brunner]] || [[SPÖ]] || bis 7. Juli 1981

| 1969–1981 || X.–XII. GP || [[Othmar Brunner]] || [[SPÖ]] || bis 7. Juli 1981