路易斯安那购地一百五十周年半美元 Committee on Banking and Currency . Coin to commemorate Louisiana Purchase. United States Government Printing Office. 1953-03-03. United States House
特拉华州三百周年半美元Swedes in Delaware. United States Government Printing Office. 1936-04-16. United States Senate Committee on Banking and Currency . Coinage of commemorative
加兹登购地半美元 Purchase. United States Government Printing Office. 1930-04-02. United States Senate Committee on Banking and Currency . Commemorative coins and Mint bills
夏威夷一百五十周年纪念半美元[2016-07-20]. Senate Committee on Banking and Currency . To authorize coinage of silver 50-cent pieces in commemoration of the one hundred and fiftieth anniversary
加利福尼亚州太平洋国际博览会半美元1935 and 1936.. Washington, D.C.: United States Government Printing Office. 1935-04-15. United States Senate Committee on Banking and Currency . Authorize