United States soccer league system (English Wikipedia)

Battista, Michael (December 19, 2024). "Death of a league? NISA no longer sanctioned". HudsonRiverBlue.com. Hudson River Blue. Retrieved February 6, 2025.

kenn.com

"Archived copy" (PDF). Archived from the original (PDF) on November 11, 2020. Retrieved September 23, 2019.{{cite web}}: CS1 maint: archived copy as title (link)
See All-Time Division II Standings for Division II list of teams and records. and All-Time Division III Standings for Division III teams

kennethrusso.com

Russo, Kenneth. "USSF Professional Standards". Retrieved July 2, 2021.

masslive.com

Conor, Ryan (December 15, 2015). "After struggles with former league, New England Mutiny helping form new United Women's Soccer league". MassLive. Retrieved December 15, 2015.

minifutbolamericas.com

"Sobre PAMF". PAMF (in Spanish). Archived from the original on February 16, 2019. Retrieved December 1, 2024.

nasl.com

"Eight clubs will take the field in April". NASL. January 6, 2017.

nytimes.com

Tenorio, Paul. "Move over, Major League Soccer. A rival top flight men's league is coming to the U.S." The New York Times. ISSN 0362-4331. Retrieved February 16, 2025.

si.com

Straus, Brian (January 6, 2017). "U.S. Soccer grants provisional division two sanctioning to both NASL, USL". Sports Illustrated.
Straus, Brian. "NASL files lawsuit vs. USSF over division sanction". SI.com. Retrieved October 3, 2017.
Straus, Brian (March 30, 2017). "USL to launch new Division 3 competition in 2019". Sports Illustrated. Retrieved May 3, 2021.
"USL Serious in Launching Women's Professional League to Rival NWSL (Sources)". November 15, 2019.

socceramerica.com

Kennedy, Paul (October 17, 2017). "NASL vs. USSF: Court filings show settlement discussions were ongoing". SoccerAmericaDaily.

sportingnews.com

Galarcep, Ives (October 9, 2014). "Jurgen Klinsmann backs promotion-relegation system for American soccer". Sporting News. Archived from the original on August 14, 2018. Retrieved January 27, 2015.

theathletic.com

Yang, Steph (September 21, 2021). "USL launching women's Division II league with 'commitment to gender equity'". The Athletic.

theguardian.com

Press, Associated (February 4, 2025). "Federal jury dismisses NASL's antitrust case against MLS, US Soccer". The Guardian. ISSN 0261-3077. Retrieved February 16, 2025.

usadultsoccer.com

USASA Leagues & Affiliates
"Premier Leagues". www.usadultsoccer.com. Retrieved May 17, 2014.

uslleagueone.com

Staff, USLSoccer com (December 19, 2024). "USL League One reveals the 2025 season schedule". USL League One. Retrieved February 16, 2025.

uslleaguetwo.com

USL Staff (May 16, 2023). "USL Super League Announces Initial Markets". USL Soccer. Retrieved July 22, 2023.

uslpdl.com

"United Soccer Leagues". www.uslpdl.com. Archived from the original on September 15, 2015. Retrieved September 22, 2015.

uslsoccer.com

"Q&A with USL Vice President Tim Holt". United Soccer Leagues. April 21, 2006. Archived from the original on April 23, 2006. Retrieved July 15, 2007.
"USL to Launch Third-Division League in 2019". United Soccer Leagues. April 2, 2013.
Staff, USLsoccer com (February 13, 2025). "United Soccer League Takes Bold Step Forward with Launch of Division One Professional Men's League". United Soccer League. Retrieved February 16, 2025.

uslwleague.com

"United Soccer League To Launch W League in 2022". USL W League. United Soccer League. June 8, 2021.

usopencup.org

"Lamar Hunt U.S. Open Cup 2022 Open Division Handbook" (PDF). Retrieved April 11, 2023.

ussoccer.com

"Pro League Standards". www.ussoccer.com. Retrieved December 15, 2023.
Soccer Organizations: Adult Council, archived from the original on October 24, 2018, retrieved October 24, 2018

uwssoccer.com

"United Women's Soccer Launches League Two – United Women's Soccer". February 7, 2020. Archived from the original on September 22, 2023.
"UWS To Form National Pro-Am Women's Soccer League In 2016". United Women's Soccer. June 16, 2015.

web.archive.org

Galarcep, Ives (October 9, 2014). "Jurgen Klinsmann backs promotion-relegation system for American soccer". Sporting News. Archived from the original on August 14, 2018. Retrieved January 27, 2015.
"Q&A with USL Vice President Tim Holt". United Soccer Leagues. April 21, 2006. Archived from the original on April 23, 2006. Retrieved July 15, 2007.
"Archived copy" (PDF). Archived from the original (PDF) on November 11, 2020. Retrieved September 23, 2019.{{cite web}}: CS1 maint: archived copy as title (link)
"United Soccer Leagues". www.uslpdl.com. Archived from the original on September 15, 2015. Retrieved September 22, 2015.
"W-League Statement". United Soccer Leagues (USL). November 6, 2015. Archived from the original on November 19, 2015. Retrieved November 6, 2015.
"WPSL Website". wpsl.info. Archived from the original on November 5, 2017.
"United Women's Soccer Launches League Two – United Women's Soccer". February 7, 2020. Archived from the original on September 22, 2023.
"Sobre PAMF". PAMF (in Spanish). Archived from the original on February 16, 2019. Retrieved December 1, 2024.

wleaguesoccer.com

"W-League Statement". United Soccer Leagues (USL). November 6, 2015. Archived from the original on November 19, 2015. Retrieved November 6, 2015.

worldcat.org

search.worldcat.org

Press, Associated (February 4, 2025). "Federal jury dismisses NASL's antitrust case against MLS, US Soccer". The Guardian. ISSN 0261-3077. Retrieved February 16, 2025.
Tenorio, Paul. "Move over, Major League Soccer. A rival top flight men's league is coming to the U.S." The New York Times. ISSN 0362-4331. Retrieved February 16, 2025.

wpsl.info

"WPSL Website". wpsl.info. Archived from the original on November 5, 2017.

wpslsoccer.com

"The WPSL Announces New Professional Division III Women's Soccer League". WPSL. February 8, 2023. Retrieved March 2, 2023.