21George Washington to Brigadier General Louis Le Beque Du Portail, 31 October 1778 (Hamilton Papers)
Fredericksburg [ New York ] October 31, 1778 . Acknowledges receipt of plan for fortification of Boston. Has forwarded this information to Major General Horatio Gates who will take command at Boston. Df , in writing of H, George Washington Papers, Library of Congress.
22George Washington to Brigadier General Louis Le Beque Du Portail, 27 August 1778 (Hamilton Papers)
White Plains [ New York ] August 27, 1778 . Instructs Du Portail to examine fortifications of Highlands and to execute instructions given him relative to the plan for defense of Delaware River and Philadelphia. Df , in writing of H, George Washington Papers, Library of Congress.
23George Washington to Brigadier General Louis Le Beque Du Portail, 30 June 1778 (Hamilton Papers)
Englishtown [ New Jersey ] June 30, 1778 . Orders Du Portail to Philadelphia to study city’s defenses. Df , in writing of H, George Washington Papers, Library of Congress.