Young, Arthur:  letters of Washington to about his interest in farming,
     1, 2; astonished that wolves and dogs hinder sheep raising in
     America, 55; Washington explains differences between American and
     European agriculture to, 58; describes his estate to, 60 et seq.,
     127; his Annals of Agriculture used by Washington, 71, 74;
     Washington’s correspondence with, 83, 85, 91; sends inquiries
     regarding American agriculture, 84; obtains seeds for Washington,
     116, 117; sends plan for barn, 117; Washington sends agricultural
     information to, 118; Washington inquires of regarding a threshing
     machine, 126; influence of upon Washington, 128; letter of
     Washington to about his sheep, 136; about his mules, 141;
     mentioned by Parkinson, 277.