Audio recording: sounds of Wheaton life. Math class, Psychology, ambient classroom, and nursery sounds. recording #44, https://s3.amazonaws.com/gebbie.archives/Math_Beechler_a.mp3. Marion B. Gebbie Archives and Special Collections. https://wheatoncollege.as.atlas-sys.com/repositories/2/digital_objects/1398 Accessed May 19, 2024.