1From George Washington to Anthony Whitting, 14 August 1791 (Washington Papers)
...) with safety; and then, with the heavy Oxe Harrow to level the ground before it is sown with...
2From George Washington to Anthony Whitting, 14 October 1792 (Washington Papers)
...without plowing or breaking the ground more than a harrow would do, lay it down in grass—And...
3From George Washington to Anthony Whitting, 4 November 1792 (Washington Papers)
...covered at all) may be very slightly covered—Harrowing Clover Seed in, in the vicinity of...
4From George Washington to Anthony Whitting, 9 December 1792 (Washington Papers)
...have, I shall leave to yourself; but request, if harrowed at all, it may be done with nothing