^United States Department of Commerce; Archibald J. Wolfe (1915).
"List of Chambers". Commercial Organizations in France. USA: Government Printing Office.
^"France". International Banking Directory. New York: Bankers Publishing Company. 1922.
hdl:
2027/hvd.hb1sji.
Jean Caswell; Ivan Sipkov (1977). "Maine". Coutumes of France in the Library of Congress: an Annotated Bibliography. USA: Library of Congress.
hdl:
2027/mdp.39015034753866.
Trudy Ring, ed. (1995). "Le Mans".
Northern Europe. International Dictionary of Historic Places. Fitzroy Dearborn. p. 403.
ISBN978-1-136-63944-9.
Colum Hourihane, ed. (2012).
"Le Mans". Grove Encyclopedia of Medieval Art and Architecture. Oxford University Press.
ISBN978-0-19-539536-5.
^United States Department of Commerce; Archibald J. Wolfe (1915).
"List of Chambers". Commercial Organizations in France. USA: Government Printing Office.
^"France". International Banking Directory. New York: Bankers Publishing Company. 1922.
hdl:
2027/hvd.hb1sji.
Jean Caswell; Ivan Sipkov (1977). "Maine". Coutumes of France in the Library of Congress: an Annotated Bibliography. USA: Library of Congress.
hdl:
2027/mdp.39015034753866.
Trudy Ring, ed. (1995). "Le Mans".
Northern Europe. International Dictionary of Historic Places. Fitzroy Dearborn. p. 403.
ISBN978-1-136-63944-9.
Colum Hourihane, ed. (2012).
"Le Mans". Grove Encyclopedia of Medieval Art and Architecture. Oxford University Press.
ISBN978-0-19-539536-5.