This primary source comes from the Records of the Adjutant General's Office.
Full Citation: Reward Poster for John Wilkes Booth; 4/1865; Report Upon the Distribution of the Rewards for the Arrest of Jefferson Davis, John Wilkes Booth, etc.; Letters Received, 1805–1889; Records of the Adjutant General's Office, Record Group 94; National Archives Building, Washington, DC. [Online Version, https://www.docsteach.org/documents/document/booth-broadside, May 13, 2024]