Mary Schmich (2012). “The Best of Mary Schmich: Selected Writings by the Chicago Tribune's Winner of the 2012 Pulitzer Prize for Commentary”, p.35, Agate Digital
"Holy-days and Holidays: A Treasury of Historical Material, Sermons in Full and in Brief, Suggestive Thoughts, and Poetry, Relating to Holy Days and Holidays". Book by Edward Mark Deems (p. 150), 1902.