Contains research materials compiled by Isaac Joslin Cox, a Northwestern University history professor, including correspondence with libraries and historical societies, transcriptions of letters contained in the collection and notes. Cox wrote several articles on the Burr Conspiracy and the United States involvement with Louisiana, Texas, and South America.

Contains research materials compiled by Isaac Joslin Cox, a Northwestern University history professor, including correspondence with libraries and historical societies, transcriptions of letters contained in the collection and notes. Cox wrote several articles on the Burr Conspiracy and the United States involvement with Louisiana, Texas, and South America.

Contains research materials compiled by Isaac Joslin Cox, a Northwestern University history professor, including correspondence with libraries and historical societies, transcriptions of letters contained in the collection and notes. Cox wrote several articles on the Burr Conspiracy and the United States involvement with Louisiana, Texas, and South America.

Contains research materials compiled by Isaac Joslin Cox, a Northwestern University history professor, including correspondence with libraries and historical societies, transcriptions of letters contained in the collection and notes. Cox wrote several articles on the Burr Conspiracy and the United States involvement with Louisiana, Texas, and South America.

Contains research materials compiled by Isaac Joslin Cox, a Northwestern University history professor, including correspondence with libraries and historical societies, transcriptions of letters contained in the collection and notes. Cox wrote several articles on the Burr Conspiracy and the United States involvement with Louisiana, Texas, and South America.

Contains research materials compiled by Isaac Joslin Cox, a Northwestern University history professor, including correspondence with libraries and historical societies, transcriptions of letters contained in the collection and notes. Cox wrote several articles on the Burr Conspiracy and the United States involvement with Louisiana, Texas, and South America.

Contains research materials compiled by Isaac Joslin Cox, a Northwestern University history professor, including correspondence with libraries and historical societies, transcriptions of letters contained in the collection and notes. Cox wrote several articles on the Burr Conspiracy and the United States involvement with Louisiana, Texas, and South America.

Contains research materials compiled by Isaac Joslin Cox, a Northwestern University history professor, including correspondence with libraries and historical societies, transcriptions of letters contained in the collection and notes. Cox wrote several articles on the Burr Conspiracy and the United States involvement with Louisiana, Texas, and South America.

Contains research materials compiled by Isaac Joslin Cox, a Northwestern University history professor, including correspondence with libraries and historical societies, transcriptions of letters contained in the collection and notes. Cox wrote several articles on the Burr Conspiracy and the United States involvement with Louisiana, Texas, and South America.

Contains research materials compiled by Isaac Joslin Cox, a Northwestern University history professor, including correspondence with libraries and historical societies, transcriptions of letters contained in the collection and notes. Cox wrote several articles on the Burr Conspiracy and the United States involvement with Louisiana, Texas, and South America.

Contains research materials compiled by Isaac Joslin Cox, a Northwestern University history professor, including correspondence with libraries and historical societies, transcriptions of letters contained in the collection and notes. Cox wrote several articles on the Burr Conspiracy and the United States involvement with Louisiana, Texas, and South America.

Contains research materials compiled by Isaac Joslin Cox, a Northwestern University history professor, including correspondence with libraries and historical societies, transcriptions of letters contained in the collection and notes. Cox wrote several articles on the Burr Conspiracy and the United States involvement with Louisiana, Texas, and South America.