密苏里州百年纪念半美元 (Chinese Wikipedia)
Analysis of information sources in references of the Wikipedia article "密苏里州百年纪念半美元" in Chinese language version.
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archive.org
- Bowers，第153頁. Bowers, Q. David. Commemorative Coins of the United States: A Complete Encyclopedia. Wolfeboro, NH: Bowers and Merena Galleries, Inc. 1992. ISBN 978-0-943161-35-8.
- Swiatek & Breen，第164頁. Swiatek, Anthony; Breen, Walter. The Encyclopedia of United States Silver & Gold Commemorative Coins, 1892 to 1954. New York, NY: Arco Publishing. 1981. ISBN 978-0-668-04765-4.
- Bowers，第154頁. Bowers, Q. David. Commemorative Coins of the United States: A Complete Encyclopedia. Wolfeboro, NH: Bowers and Merena Galleries, Inc. 1992. ISBN 978-0-943161-35-8.
- Swiatek，第130頁. Swiatek, Anthony. Encyclopedia of the Commemorative Coins of the United States. Chicago, IL: KWS Publishers. 2012. ISBN 978-0-9817736-7-4.
- Swiatek & Breen，第163–164頁. Swiatek, Anthony; Breen, Walter. The Encyclopedia of United States Silver & Gold Commemorative Coins, 1892 to 1954. New York, NY: Arco Publishing. 1981. ISBN 978-0-668-04765-4.
- Bowers，第156頁. Bowers, Q. David. Commemorative Coins of the United States: A Complete Encyclopedia. Wolfeboro, NH: Bowers and Merena Galleries, Inc. 1992. ISBN 978-0-943161-35-8.
- Slabaugh，第46頁. Slabaugh, Arlie R. United States Commemorative Coinage second. Racine, WI: Whitman Publishing. 1975. ISBN 978-0-307-09377-6.
- Vermeule，第162頁. Vermeule, Cornelius. Numismatic Art in America. Cambridge, MA: The Belknap Press of Harvard University Press. 1971. ISBN 978-0-674-62840-3.
- Vermeule，第163頁. Vermeule, Cornelius. Numismatic Art in America. Cambridge, MA: The Belknap Press of Harvard University Press. 1971. ISBN 978-0-674-62840-3.
- Bowers，第155–156頁. Bowers, Q. David. Commemorative Coins of the United States: A Complete Encyclopedia. Wolfeboro, NH: Bowers and Merena Galleries, Inc. 1992. ISBN 978-0-943161-35-8.
gpo.gov
frwebgate.access.gpo.gov
ngccoin.com
- auction2015. 1921 Missouri 50C MS. Numismatic Guaranty Corporation. [2020-04-11]. （原始内容存档于2020-04-11）.
nytimes.com
- Stevenson. Stevenson, Jed. COINS; Mix-Up and Mystery: The 1921 Missouri Proof. The New York Times. 1992-08-02 [2016-12-21]. （原始内容存档于2016-12-22）.
proquest.com
congressional.proquest.com
- profile. Missouri 100th Anniversary 50-Cent Piece. [2017-03-06] –通过ProQuest.
|number=被忽略 (帮助)部分信息需点击“66 S. 4893 - Introduced in Senate Jan. 18, 1921”后才能看到 - 224 report. Coinage of 50-Cent Piece in Commemoration of Admission of Missouri into the Union. United States House of Representatives. 1921-02-24 [2020-04-11]. （原始内容存档于2020-04-11）.
- 210 report. Coinage of 50-Cent Piece in Commemoration of Admission of Missouri into the Union. United States House of Representatives. 1921-02-10 [2020-04-11]. （原始内容存档于2020-04-11）.
web.archive.org
- 224 report. Coinage of 50-Cent Piece in Commemoration of Admission of Missouri into the Union. United States House of Representatives. 1921-02-24 [2020-04-11]. （原始内容存档于2020-04-11）.
- 210 report. Coinage of 50-Cent Piece in Commemoration of Admission of Missouri into the Union. United States House of Representatives. 1921-02-10 [2020-04-11]. （原始内容存档于2020-04-11）.
- auction2015. 1921 Missouri 50C MS. Numismatic Guaranty Corporation. [2020-04-11]. （原始内容存档于2020-04-11）.
- Stevenson. Stevenson, Jed. COINS; Mix-Up and Mystery: The 1921 Missouri Proof. The New York Times. 1992-08-02 [2016-12-21]. （原始内容存档于2016-12-22）.
worldcat.org
- Flynn，第123頁. Flynn, Kevin. The Authoritative Reference on Commemorative Coins 1892–1954. Roswell, GA: Kyle Vick. 2008. OCLC 711779330.
- Flynn，第124頁. Flynn, Kevin. The Authoritative Reference on Commemorative Coins 1892–1954. Roswell, GA: Kyle Vick. 2008. OCLC 711779330.