نصف دولار كولومبي
مراجع

↑  Lange، صفحة 126.
1 2  Moran، صفحة 71.
↑  Bowers، صفحة 4.
↑  Vermeule، صفحة 91.
↑  Moran، صفحة 76.
↑  Moran، صفحة 75.
↑  Breen، صفحة 582.
Bowers، Q. David (2008). A Guide Book of United States Commemorative Coins. Atlanta, Ga.: Whitman Publishing. ISBN:978-0-7948-2256-9.
Breen، Walter (1988). Walter Breen's Complete Encyclopedia of U.S. and Colonial Coins. New York: Doubleday. ISBN:978-0-385-14207-6.
Lange، David W. (2006). History of the United States Mint and its Coinage. Atlanta, Ga.: Whitman Publishing. ISBN:978-0-7948-1972-9.
Moran، Michael F. (2008). Striking Change: The Great Artistic Collaboration of Theodore Roosevelt and Augustus Saint-Gaudens. Atlanta, Ga.: Whitman Publishing. ISBN:978-0-7948-2356-6.
Swiatek، Anthony؛ Breen، Walter (1981). The Encyclopedia of United States Silver & Gold Commemorative Coins, 1892 to 1954. New York: Arco Publishing. ISBN:978-0-668-04765-4.
Taxay، Don (1967). An Illustrated History of U.S. Commemorative Coinage. New York: Arco Publishing.
Vermeule، Cornelius (1971). Numismatic Art in America. Cambridge, Mass.: The Belknap Press of Harvard University Press. ISBN:978-0-674-62840-3.
Yeoman، R.S. (2018). A Guide Book of United States Coins 2014 (ط. 4th). Atlanta, GA: Whitman Publishing, LLC. ISBN:978-0-7948-4580-3.
Bowers, Q. David. "Chapter 8: Silver commemoratives (and clad too), Part 2". Commemorative Coins of the United States, Chapter 8: Silver Commemoratives (and Clad Issues) (Page 2). Commemorative Coins of the United States: A Complete Encyclopedia (بAmerican English). Archived from the original on 2022-09-07. Retrieved 2012-09-17.
Bowers, Q. David. "Chapter 8: Silver commemoratives (and clad too), Part 3". Commemorative Coins of the United States, Chapter 8: Silver Commemoratives (and Clad Issues) (Page 3). Commemorative Coins of the United States: A Complete Encyclopedia (بAmerican English). Archived from the original on 2022-09-07. Retrieved 2012-09-18.
Bowers, Q. David. "Chapter 8: Silver commemoratives (and clad too), Part 4". Commemorative Coins of the United States, Chapter 8: Silver Commemoratives (and Clad Issues) (Page 4). Commemorative Coins of the United States: A Complete Encyclopedia (بAmerican English). Archived from the original on 2022-09-07. Retrieved 2012-09-18.
Bowers, Q. David. "Chapter 8: Silver commemoratives (and clad too), Part 5". Commemorative Coins of the United States, Chapter 8: Silver Commemoratives (and Clad Issues) (Page 5). Commemorative Coins of the United States: A Complete Encyclopedia (بAmerican English). Archived from the original on 2022-04-02. Retrieved 2012-09-18.
Bowers, Q. David. "Chapter 8: Silver commemoratives (and clad too), Part 6". Commemorative Coins of the United States, Chapter 8: Silver Commemoratives (and Clad Issues) (Page 6). Commemorative Coins of the United States: A Complete Encyclopedia (بAmerican English). Archived from the original on 2022-09-07. Retrieved 2012-09-18.
Goldberg، Ira (يونيو 2011). "Chicago Exposition coins". The Numismatist. Colorado Springs, Co.: American Numismatic Association: 171–173.
Oliver، Nancy؛ Kelly، Richard (يونيو 2011). "Kegs of coins". The Numismatist. Colorado Springs, Co.: American Numismatic Association: 242–243.
Schefler، Erik (يونيو 2011). "The World's Columbian Exposition: A fair of firsts". The Numismatist. Colorado Springs, Co.: American Numismatic Association: 55–58.
في كومنز مواد ذات صلة بـ نصف دولار كولومبي.
بوابة الولايات المتحدة
بوابة عقد 1890
بوابة علم العملات