詹姆斯诺克斯波尔克 (James Knox Polk)

出处: "James Knox Polk, President of the United States / engraved by J. Sartain from the original picture painted by T. Sully, Junr." John Sartain (1808-1897). Mezzotint print, 1845. Reproduction Number: LC-USZ62-5770 DLC (b&w film copy neg.). Library of Congress, Prints and Photographs Division.