1To James Madison from Tench Coxe, 11 November 1805 (Madison Papers)
...what other steps of any kind it may be proper or necessary to take. I have the honor to be,...
2To Thomas Jefferson from Tench Coxe, 28 September 1807 (Jefferson Papers)
If it shall be deemed proper or necessary to support myself with recommendations at this time, I...
3To Thomas Jefferson from Tench Coxe, 1 October 1807 (Jefferson Papers)
.... If however it be thought proper or necessary to support myself with recommendations...