These old hand-made printed maps spanning four centuries are normally lying in wooden map cases at the office or at home in acid-neutral mat board frames to prevent yellowing. It takes time and effort to keep the collection together but Wei holds to his principle that he "will never allow these old maps to become scattered again" in his efforts to add a new page to Taiwan history, so little covered in textbooks.
這些經歷 4 世紀之久手工紙印製的古地圖，平時平躺在辦公室與家中的木製圖櫃中，並用中性卡紙配框夾好，以防酸化泛黃，整理起來費時費工，但堅守「一定不會讓古地圖再流散」的原則，只為建構另一頁教科書上少有記載的台灣史。