Stoever-Ackerman, Jennifer. “The Word and the Sound: The Sonic Color-Line in Frederick Douglass’s 1845 Narrative”. SoundEffects - An Interdisciplinary Journal of Sound and Sound Experience 1, no. 1 (December 2, 2011): 19–36. Accessed March 29, 2024. https://www.soundeffects.dk/article/view/4169.