Analysis of information sources in references of the Wikipedia article "Jesse Hawley (merchant)" in English language version.
Hawley's letters are reprinted in full in one of the appendices to Hosack's biography.
In 1806, merchant Jesse Hawley's inability to secure quick, economical transportation for his flour cost him not only money but his freedom. He was sentenced to 20 months in debtors' prison after one of his shipments of flour went bad.
