Roberts, R. E. Henrik Ibsen, ch. 8.
Schmitt, E. R. Ibsen als Prophet, p. 389-401.
Thompson, T. B. When we dead awaken. Poet Lore 20:201-17. 1909.
When we dead awaken. Reviews.
Ath. 1900. 1:442-3. April 7;
Bookm. 11:283-4. May 1900;
Deutsche Rundschau 103:298-300;
Nation 70:94. Feb. 1900.
—— excerpt. Cur. Lit. 41:68-72. July 1906.
Woerner, R. Henrik Ibsen, v. 2. p. 333-55.