"A Doll's House" and "The Wild Duck" by Henrik Ibsen.

Henrik Johan Ibsen was a Norwegian dramatist, whose well-constructed plays dealing realistically with psychological and social problems won him recognition as the father of modern drama. Although Ibsen's plays shocked contemporary audiences, they were championed by such serious critics as George Bernard Shaw and William Archer in England and Georg Brandes in Denmark. Ibsen's characters, the critics pointed out, were recognizable people; their problems were familiar to the audience. Ibsen's plays marked the end of …

…the Ekdals' adopted tenant. Finally, Hedvig figures as the wild duck in that she loses her family and place of origin. She is in some sense her father's adopted child. When Hialmar abandons Hedvig, Gregers will exhort her to sacrifice the duck, her most precious possession, to prove her love for her father. Hedvig will enter the garret to kill the duck but end by killing herself. The two figures both become symbols of sacrifice.