It's A Wonderful Life Sources and ClassicNote Author

Justin Charity. "A Theory on Christmas Movies." The Ringer. December 23, 2016. December 5, 2019. <https://www.theringer.com/2016/12/23/16041136/what-is-the-best-christmas-movie-df39ff8713e1>.
Jennifer M Wood. "25 Wonderful Facts About It's a Wonderful Life." Mental Floss. December 17, 2018. December 5, 2019. <https://www.mentalfloss.com/article/60792/25-wonderful-facts-about-its-wonderful-life>.