In 1844 Kinzie published Narrative of the Massacre at Chicago , August 15 , 1812 , and of Some Preceding Events , anonymously .
In 1844 Kinzie acknowledged authorship soon after publication .
In 1844 Kinzie published Narrative of the Massacre at Chicago , August 15 , 1812 , and of Some Preceding Events , anonymously , but acknowledged authorship soon after publication .