1"Anthophobia." Dictionary.com. Accessed: February 14, 2019.
2Aveni, Anthony. The Book of the Year: A Brief History of Our Seasonal Holidays. New York, NY: Oxford University Press, 2003.
3“Condom Sales Rise Ahead of V-Day.” ThaiIndianNews. February 9, 2010. Accessed: January 19, 2011.
4Debczak, Michele. "Want to Get Back at Your Ex? Name a Cockroach After Them And Watch a Meerkat Eat It on Valentine's Day." Mental Floss. February 9, 2019. Accessed: February 9, 2019.
5Gatti-Santillo, Corine. "Valentine's Day 2022 Pet Spending." Fox Business. January 31, 2022. Accessed: February 14, 2022.
6Graham-Barber, Lynda. Mushy! The Complete Book of Valentine Words. New York, NY: Bradbury Press, 1991.
7“Hindu and Muslim Anger at Valentine’s.” BBC News. February 11, 2003. Accessed: January 8, 2011.
8“Historical Events on February 14.” His-Dates. 2010. Accessed: January 9, 2011.
9“Iran Snubs Valentine’s Day.” The Washington Post. January 2, 2011. Accessed: January 8, 2011.
10Leadem, Rose. "Shocking Valentine's Day Stats That Will Make You Rethink Your Marketing." Entrepreneur. January 31, 2017. Accessed: January 16, 2018.
11Linder, Melanie. “Valentine’s Day around the World.” Forbes. February 11, 2009. Accessed: January 8, 2011.
12“Man Set Valentine Suicide Pact.” BBC News. February 12, 2005. Accessed: January 8, 2011.
13McKay, Mary Jayne. “Alone? Celebrate Anyway.” CBS News. February 13, 2003. Accessed: January 5, 2011.
14Rau, Dana Meachen. Valentine’s Day. New York, NY: Scholastic Inc., 2001.
15Sullivan, Meg. “Henry Ansgar Kelly, Valentine’s Day.” UCLA Spotlight. February 1, 2001.
16Thompson, Sue Ellen. Holiday Symbols. (2nd Ed.). Detroit, MI: Omnigraphics, Inc., 2000.
17"Valentine’s Day Facts." History. Accessed: February 9, 2019.
18“Valentine’s Day Floral Statistics.” Aboutflowers. 2010. Accessed: January 8, 2011.
19"Valentine's Day Statistics." Groovy Candy. Accessed: January 16, 2018.
20“World Record Valentine’s Day Kiss.” World Breaking Record. January 2010. Accessed: January 8, 2011.
21Yamey, Gavin. “Pfizer to Sponsor European Impotence Awareness Day.” BMJ. March 2000. Accessed: January 19, 2011.