http://cdl.library.cornell.edu/cgi-bin/moa/pageviewer?coll=moa&root=/moa/cont/cont0004/&tif=00285.TIF&view=50&frames=1 (http://cdl.library.cornell.edu/cgi-bin/moa/pageviewer?coll=moa&root=/moa/cont/cont0004/&tif=00285.TIF&view=50&frames=1)
http://en.wikipedia.org/wiki/Fort_Detroit (http://en.wikipedia.org/wiki/Fort_Detroit)
http://www.telusplanet.net/public/dgarneau/metis4a.htm (http://www.telusplanet.net/public/dgarneau/metis4a.htm)
http://www.nationmaster.com/encyclopedia/Fort-Pontchartrain (http://www.nationmaster.com/encyclopedia/Fort-Pontchartrain)
http://books.google.com/books?id=IDq9rCg-wxUC&pg=PA389&lpg=PA389&dq=Ft.+Pontchartrain&source=bl&ots=SWbWLDuxZm&sig=fHA_59FtMJeA88Ok01qvUDEXSQ8&hl=en&ei=p0uUSY-bAoT8NN2mpfgL&sa=X&oi=book_result&resnum=3&ct=result#PPA389,M1 (http://books.google.com/books?id=IDq9rCg-wxUC&pg=PA389&lpg=PA389&dq=Ft.+Pontchartrain&source=bl&ots=SWbWLDuxZm&sig=fHA_59FtMJeA88Ok01qvUDEXSQ8&hl=en&ei=p0uUSY-bAoT8NN2mpfgL&sa=X&oi=book_result&resnum=3&ct=result#PPA389,M1)