Simons, L. Ibsen as an artist. Westm. 140:506-13. Nov. 1893.
Auf den höhen. See On the heights.
Bibliography.
Bibliographical appendix. In Ibsen, H. Speeches and new letters. Boston. Badger. 1910.
Carpenter, W. H. Bibliography of Ibsen. Bookm. 1: 274-77. May 1875.
Chandler, F. W. Aspects of modern drama, p. 462-5.
Elliott, A. M. Ibsen: contemporary bibliography.
Halvorsen, J. B. Bibliografiske oplysninger til Henrik Ibsens Samlede værker. Review. Nation 74:73. Jan. 23, 1902.
Johnson, R. B. Books about Ibsen. Acad. 45:285-86. April 7, 1894.