Brooks, Van Wyck, The Malady of the Ideal: Obermann, Maurice de Guerin and Amiel, Philadelphia: University of Pennsylvania Press, printed by Pickering Press, 1947

Brooks, Van Wyck, The Malady of the Ideal: Obermann, Maurice de Guerin and Amiel, Philadelphia: University of Pennsylvania Press, printed by Pickering Press, 1947, Box: 7. John Anderson papers, MSS 0312. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/87388 Accessed September 16, 2024.