Huang visited the Central Library and several other information centers to study written matter and photographs concerning the modern history of Taiwan. He asked friends in Japan to supply materials on the period of the Japanese occupation.
他到中央圖書館、文獻會，找了許多有關台灣的舊資料和照片，影印、翻照與研讀，又到各地拜訪、請教地方耆老與這方面的專家，更託朋友到日本蒐集在日據時代，所有有關台灣的資料。