《宋史·本纪·卷二十二》
夏四月十八日，下诏设置补完校正文籍局，收集三馆书籍设置宣和殿及太清楼、秘阁。
夏四月丙午，诏置补完校正文籍局，录三馆书置宣和楼及太清楼、秘阁。
On the 18th day of April in summer, an imperial edict was issued to set up an official school text department to collect books from the three pavilions and set up the Xuanhe Palace, the Taiqing Tower, and the Secret Pavilion.