Because the materials are so comprehensive and complete, the US Library of Congress since 1999 has been budgeting some US $ 25,000 yearly with a request to Wen to purchase for them academic titles on Taiwan.
由於資料完整，自 1999 年起，美國國會圖書館每年都編列 2 萬 5 千美元經費，請他代購學術性的台灣研究書籍。