妙性院書翰（桂ゆき宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
しか浦・梅をか書翰（鎌田正純・川上久封宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
又野維義書翰（桂久武宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
伊集院兼寛書翰（桂久武宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
福崎季連書翰（桂久武宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
田畑平之丞書翰（桂久武宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
木藤角太夫書翰（桂久武宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
井上馨書翰（桂久武宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
鮫島元吉書翰（小松清廉・桂久武宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
川村純義書翰（桂久武宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
川村純義書翰（有川矢九郎宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
桂久音書翰 （桂平六左衛門宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
小林大介書翰
Shimazu Collection - Historiographical Institute, The University of Tokyo
〓谷甚太郎書翰（桂孫兵衛宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
柴山道懿書翰（桂久武宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
有川貞敏書翰（桂久武宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
川上久齢書翰（桂久武宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
桂正助書翰（桂久武宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
肝付兼武書翰（桂久武宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
黒田清綱書翰（桂久武宛）
Shimazu Collection - Historiographical Institute, The University of Tokyo
