All American libraries follow the same practice.
The process will take many months to complete. Since most library users are familiar with the Pinyin romanization system, the transition to adapt to Pinyin system should be smooth. Therefore, users are advised to search both forms. Place names in Taiwan and Macao used as subject or as headings for government or geographical entities remain in Wade-Giles while they are in Pinyin when appear in title, imprint, and other areas of the record. Some romanization rules have been changed.