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Dear Mr. Murphy,
Thank you for your question to HistoryHub. By searching Record Group 58: Records of the Internal Revenue Service and Washington on the National Archives Catalog, we located one relevant group of records that matched the time period in which you are interested: Individual Tax Lists, 1909-1917. These records are located at the National Archives in Seattle, please contact them at firstname.lastname@example.org for more information regarding these records. Best of luck in your research!