Lasius, Theodore. Henrik Ibsen. Étude des prémisses psychologiques et religieuses de son œuvre. (thèse). Cahors. 1906.
Laurvik, J. N. and Morison, M. Trans. Letters of Henrik Ibsen. N.Y. 1905. Introduction. 45p.
Leach, H. G. Bjørnson and Ibsen. In Leach, H. G. Scandinavia and the Scandinavians. New York. 1915. p. 130-42.
Leighton, W. Peer Gynt. Arena 27:64-7. 1902.
Lee, Jeannette B. The Ibsen secret: a key to the prose dramas of Henrik Ibsen. New York. 1907.
Same. Putnam's 1:Nov. 1905-Mar. 1907.
Reviews. Atlan. 103:259. 1908;
Indep. 64:922, 1908;
Nation 85:500. 1907.