Quarter (United States coin) (English Wikipedia)

"1796 Quarter Dollar Draped Bust Small Eagle". Coinsite.com. August 26, 2007. Archived from the original on March 22, 2016. Retrieved April 22, 2016.
"1804–07 Quarter Dollar Draped Bust Heraldic Eagle". Coinsite.com. August 26, 2007. Archived from the original on April 20, 2016. Retrieved April 22, 2016.
"1815–28 Quarter Dollar Capped Bust Large Size". Coinsite.com. August 26, 2007. Archived from the original on April 20, 2016. Retrieved April 22, 2016.
"1831–38 Quarter Dollar Capped Bust Small Size". Coinsite.com. August 26, 2007. Archived from the original on May 17, 2016. Retrieved April 22, 2016.
"1838–66 Quarter Dollar Seated Liberty Without Motto". Coinsite.com. August 26, 2007. Archived from the original on March 24, 2016. Retrieved April 22, 2016.
"1866–91 Quarter Dollar Seated Liberty With Motto". Coinsite.com. August 26, 2007. Archived from the original on June 1, 2016. Retrieved April 22, 2016.
"1892–1916 Quarter Dollar Barber". Coinsite.com. August 26, 2007. Archived from the original on April 20, 2016. Retrieved April 22, 2016.
"1916–30 Quarter Dollar Standing Liberty". Coinsite.com. December 2013. Archived from the original on April 20, 2016. Retrieved April 22, 2016.
"1932– Quarter Dollar Washington". Coinsite.com. August 26, 2007. Archived from the original on April 19, 2016. Retrieved April 22, 2016.

coinworld.com

Gilkes, Paul (April 9, 2020). "Two 2020-W quarter dollars, not one, being distributed at once into circulation". coinworld.com. Amos Media Company. Retrieved May 13, 2020.

congress.gov

"Text – H.R.1923 – 116th Congress (2019–2020): Circulating Collectible Coin Redesign Act of 2020". Congress.gov. January 13, 2021. Archived from the original on January 22, 2021. Retrieved January 15, 2021.

house.gov

anthonygonzalez.house.gov

"Gonzalez bill to honor American women on the quarter passes U.S. House of Representatives". U.S. Representative Anthony Gonzalez. September 23, 2020. Archived from the original on September 27, 2020. Retrieved January 16, 2021.

mintmark.com

History of the Washington Quarter Archived July 7, 2009, at the Wayback Machine

moderncoinmart.com

"History of the Quarter – ModernCoinMart". ModernCoinMart (MCM). Retrieved July 18, 2019.

theorator.com

"bill H.R. 392". Theorator.com. January 23, 2007. Archived from the original on June 16, 2009. Retrieved October 6, 2009.

thesprucecrafts.com

"The Bare-Breasted Standing Liberty Quarter of 1916 and 1917". Archived from the original on March 1, 2019. Retrieved March 1, 2019.

usmint.gov

"Circulating Coins – Quarter Dollar". Usmint.gov. December 9, 2022. Archived from the original on September 17, 2009. Retrieved June 24, 2023.
"Cost to Produce U.S." Archived from the original on June 18, 2013. Retrieved February 7, 2010.
Statehood Quarters Archived February 4, 2010, at the Wayback Machine Retrieved February 7, 2010..
"United States Mint to Produce New Quarters in 2009 to Honor District of Columbia and U.S. Territories" (Press release). United States Mint. Archived from the original on July 8, 2018. Retrieved June 19, 2017.
"National Sites Quarters". Usmint.gov. September 28, 2009. Archived from the original on September 25, 2009. Retrieved October 6, 2009.
"United States Mint announces new quarter dollar reverse design". United States Mint. December 25, 2020. Retrieved December 28, 2020.
"American Women Quarters Program | U.S. Mint". April 12, 2021.
"Mint Releases First Ever W Quarters Into Circulation". usmint.gov (Press release). United States Mint. Retrieved September 23, 2019.

web.archive.org

"Quarter dollars" Archived January 4, 2010, at the Wayback Machine. coinfacts.com. Retrieved February 7, 2010.
"Circulating Coins – Quarter Dollar". Usmint.gov. December 9, 2022. Archived from the original on September 17, 2009. Retrieved June 24, 2023.
"1796 Quarter Dollar Draped Bust Small Eagle". Coinsite.com. August 26, 2007. Archived from the original on March 22, 2016. Retrieved April 22, 2016.
"1804–07 Quarter Dollar Draped Bust Heraldic Eagle". Coinsite.com. August 26, 2007. Archived from the original on April 20, 2016. Retrieved April 22, 2016.
"1815–28 Quarter Dollar Capped Bust Large Size". Coinsite.com. August 26, 2007. Archived from the original on April 20, 2016. Retrieved April 22, 2016.
"1831–38 Quarter Dollar Capped Bust Small Size". Coinsite.com. August 26, 2007. Archived from the original on May 17, 2016. Retrieved April 22, 2016.
"1838–66 Quarter Dollar Seated Liberty Without Motto". Coinsite.com. August 26, 2007. Archived from the original on March 24, 2016. Retrieved April 22, 2016.
"1866–91 Quarter Dollar Seated Liberty With Motto". Coinsite.com. August 26, 2007. Archived from the original on June 1, 2016. Retrieved April 22, 2016.
"1892–1916 Quarter Dollar Barber". Coinsite.com. August 26, 2007. Archived from the original on April 20, 2016. Retrieved April 22, 2016.
"1916–30 Quarter Dollar Standing Liberty". Coinsite.com. December 2013. Archived from the original on April 20, 2016. Retrieved April 22, 2016.
"The Bare-Breasted Standing Liberty Quarter of 1916 and 1917". Archived from the original on March 1, 2019. Retrieved March 1, 2019.
History of the Washington Quarter Archived July 7, 2009, at the Wayback Machine
"Cost to Produce U.S." Archived from the original on June 18, 2013. Retrieved February 7, 2010.
"1932– Quarter Dollar Washington". Coinsite.com. August 26, 2007. Archived from the original on April 19, 2016. Retrieved April 22, 2016.
"Gonzalez bill to honor American women on the quarter passes U.S. House of Representatives". U.S. Representative Anthony Gonzalez. September 23, 2020. Archived from the original on September 27, 2020. Retrieved January 16, 2021.
Statehood Quarters Archived February 4, 2010, at the Wayback Machine Retrieved February 7, 2010..
"bill H.R. 392". Theorator.com. January 23, 2007. Archived from the original on June 16, 2009. Retrieved October 6, 2009.
"United States Mint to Produce New Quarters in 2009 to Honor District of Columbia and U.S. Territories" (Press release). United States Mint. Archived from the original on July 8, 2018. Retrieved June 19, 2017.
"National Sites Quarters". Usmint.gov. September 28, 2009. Archived from the original on September 25, 2009. Retrieved October 6, 2009.
"Text – H.R.1923 – 116th Congress (2019–2020): Circulating Collectible Coin Redesign Act of 2020". Congress.gov. January 13, 2021. Archived from the original on January 22, 2021. Retrieved January 15, 2021.