Although his books on tactics and on Asian and European armies were considered influential, his greatest impact was a work he called The Military Policy of the United States from 1775.
戦術やアジアとヨーロッパの軍隊に関する著作は影響力あるもとの考えられたが、その最大の功績は『1775年以降のアメリカ合衆国の軍事政策』だった。