The personal papers of Daniel Anthony, Jr. include letters of condolence received upon the death of his father, the estate papers of his father and father-in-law, for whom he was executor; his brother-in-law's court transcripts; letters from family members; and letters to his son, Daniel Read Anthony III. Contents of the latter are both personal and business-related in nature, addressing Leavenworth Times management during Anthony's absences from Leavenworth. Also included are numerous letters that Anthony wrote while courting his future wife, Elisabeth "Bessie" Havens (1874-1949), often addressed to "Dearest Bossie," as well as a scrapbook and other letters belonging to her.

The political papers concern Anthony's term as Leavenworth mayor and his career in the U.S. House of Representatives. Papers related to the latter include telegrams and letters from U.S. Presidents Taft, Harding, and Theodore Roosevelt.