Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"應, 寶時 and 卞, 宝第",周文忠公(天爵)尺牘 . 卞制軍(頌臣)政書,,文海出版社,1968,近代中國史料叢刊,,,,https://cir.nii.ac.jp/crid/1130000797274762496