The most politically minded First Lady so far, find out more about how Sarah Polk enhanced her husband's political career in the latest episode. 

Bibliography:
https://www.whitehouse.gov/about-the-white-house/first-ladies/sarah-childress-polk/
https://www.whitehouse.gov/about-the-white-house/presidents/james-k-polk/
American National Biography Database
Sarah Agnes, Wallace, Sarah Polk, John W. Childress, ‘Letters of Mrs. James K. Polk to Her Husband,’ Tennessee Historical Quarterly, Vol. 11, No.3, September 1952 pp. 282-288 
https://millercenter.org/president/polk/essays/polk-1845-firstlady
Paul H. Bergeron, ‘All in the Family: President Polk in the White House,’ Tennessee Historical Quarterly, Vol. 46, No. 1, (spring 1987) p. 10-20 
Jayne Crumpler DeFiore, ‘COME, and Bring the Ladies: Tennessee Women and the Politics of Opportunity during the presidential Campaigns of 1840 and 1844,’ Tennessee Historical Quarterly, Vol. 51, No. 4, (Winter, 1992) pp. 197-212
Conover Hunt, ‘Fashion and Frugality, First Lady Sarah Polk,’ Journal of the White House Historical Association Number 32
https://www.whitehousehistory.org/the-enslaved-households-of-james-k-polk
https://www.whitehousehistory.org/the-red-room-in-the-polk-white-house
https://jameskpolk.com/history/
Jewel A. Smith, ‘Academic and Music Curricula in Nineteenth-Century American Women’s Education: A Comparison of the Moravian Young Ladies’ Seminary and Nazareth Hall,’ Music Quarterly, Vol. 90, No. 2, (Summer 2007) pp. 275-306