Pratt autobiography: http://www.boap.org/LDS/Early-Saints/PPPratt.html
Angel of the Prairies: http://mldb.byu.edu/anthology/Pratt-Angel%20of%20the%20Prairies.htm
Angel of the Prairies: http://mldb.byu.edu/anthology/Pratt-Angel%20of%20the%20Prairies.htm