1James Madison to Hubbard Taylor[?], 31 July 1830 (Madison Papers)
In the acct of Mr Harrow inclosed in yours of the 27 Ult. I find... ...Harrow in tracing may...
2James Madison to William Allen, 26 July 1830 (Madison Papers)
...debt to Mr. Gray, and to the Printer Mr. Harrow, if not exceeding the fund. Shd. there be...
3Notes on Agriculture, [ante–12 May] 1818 (Madison Papers)
...their ramifications, hence the utility of horsehoing (& harrowing wheat for same reason) &c...