The Saturday Evening Post, March 22, 1919, cover illustration (©SEPS licensed by Curtis Licensing, Indianapolis, IN. All rights reserved)
Thomas Buechner, Norman Rockwell: Artist & Illustrator, New York, 1970, illustrated fig. 113, p. 68
Christopher Finch, Norman Rockwell's America, New York, 1975, p. 83, illustrated pp. 84, 271
Dr. Donald Stoltz and Marshall L. Stoltz, Norman Rockwell and ‘The Saturday Evening Post:’ May 1916-July 1928, vol. I, New York, 1976, p. 35, illustrated p. 36
Mary Moline, Norman Rockwell Encyclopedia: A Chronological Catalogue of the Artist's Work 1910-1978, Indianapolis, Indiana, 1979, illustrated p. 37, fig. I-26 (as Courting Under the Clock at Midnight)
Laurie Norton Moffatt, Norman Rockwell: A Definitive Catalogue, vol. I, Stockbridge, Massachusetts, 1986, no. C206, p. 79, illustrated p. 78
Jan Cohn, Covers of “The Saturday Evening Post:" Seventy Years of Outstanding Illustration from America’s Favorite Magazine, New York, 1995, illustrated p. 83