1 ; ▁ 1 9 6 7 ) ▁ ▁E lection ▁of ▁ 1 8 2 7 ▁in ▁France ▁( Har vard ▁University ▁Press , ▁ 1 9 7 5 ) ▁ ▁Int elligence ▁ ▁Str ateg ic ▁Int elligence ▁for ▁American ▁World ▁Policy ▁( Pr inc eton ▁University ▁Press , ▁ 1 9 4 9 ; ▁ 1 9 6 6 ) ▁ ▁W ords ▁of ▁Est im ative ▁Pro b ability ▁( CI A , ▁ 1 9 6 4 ) ▁ ▁Sh erman ▁Kent ▁and ▁the ▁Board ▁of ▁National ▁Est im ates : ▁Collect ed ▁Ess ays ▁ ▁The ▁Law ▁and ▁Custom ▁of ▁the ▁National ▁Int elligence ▁Est imate ▁( CI A , ▁ 1 9 6 5 ) ▁ ▁The ▁M aking ▁of ▁an ▁N IE ▁( CI A , ▁ 1 9 6 7 ) ▁ ▁The ▁Theory ▁of ▁Int elligence ▁( CI A ▁ 1 9 6 8 ) ▁ ▁Aut obi ography ▁ ▁A ▁Boy ▁and ▁a ▁P ig , ▁But ▁Most ly ▁H ors es ▁( N Y , ▁ 1 9 7 4 ) ▁(" Rec ount s ▁the ▁advent ures ▁of ▁three ▁boys ▁during ▁the ▁summer ▁they ▁spend ▁working ▁on ▁a ▁Nev ada ▁ran ch ▁in ▁the ▁ 1 9 2 0 s ") ▁ ▁* Let ters ▁( also ▁listed ▁as ▁Buff alo ▁Let ters ): ▁Sh erman ▁Kent ▁to ▁His ▁Family , ▁ 1 9 3 6 – 1 9 6 5 ▁([ n . d ., ▁but ▁" for ▁Christmas