"The Day is Done" madrigal for 4 voices (SATB), words by Henry Wadsworth Longfellow, 1922 October 15, Box: 3, Folder: 27. Leopold Mannes music manuscripts, MP-0012-01. The New School Archives. https://findingaids.archives.newschool.edu/repositories/3/archival_objects/51413 Accessed May 03, 2025.