With his accustomed thoroughness, Kao leafed through all kinds of materials, and asked questions of all kinds of people, to discover the date, place and occasion on which the photographs were taken. He entered all this information in a computer, thus composing a photographic record of Chiang Ching-kuo's life.
如同往常對待照片的敬謹態度，他翻閱各種資料，到處向人詢問拍攝時間、地點、活動內容等，並將它輸入電腦，成為經國先生一生行誼的攝影目錄。