Odachijoko shosatsusho is a book of shosatsurei (model sentences for official letters) written by Hisauji ODACHI, a vassal of the Muromachi bakufu from the late Muromachi period to the Sengoku period (Japan) (the book is also called 'Odachi' and Joko was the priest name of the author).
大舘常興書札抄（おおだちじょうこうしょさつしょう）は、室町時代後期から戦国時代(日本)にかけての室町幕府幕臣大舘尚氏の書札礼書（「大館」とも表記、常興は法号）。