His main results on sequential analysis and the theory of decision functions, another topic which was founded by him, were gathered together in his monograph Sequential Analysis (1947).
Kanyang mga pangunahing resulta sa nanggagalaing analysis at ang teorya ng pag-andar ng desisyon, iba pang paksa kung saan ay itinatag sa pamamagitan ng kanya, ay natitipon magkasama sa kanyang monograp nanggagalaing Analysis (1947).