Transcript of Letter from George Sibley to Hiram Chamberlain, June 1, 1838. Sibley's rebuttal of Hiram Chamberlain's accusations against him.
Mary Ambler Archives
Sibley, George Champlin, "Letter from George Sibley to Hiram Chamberlain, June 1, 1838" (1838). George Champlin Sibley Papers. 488.