[2] This diplomatic mission functioned to the advantage of both the Japanese and the Koreans as a channel for developing a political foundation for trade.
[3] This delegation was explicitly identified by the Joseon court as a "Communication Envoy" (tongsinsa).
"[4] The Joseon embassy arrived at the shogunal court of Tokugawa Iemitsu in Edo on the 20th year of Kan'ei, according to the Japanese calendar in use at that time.
[5] Yun Sunji's historical significance was confirmed, when his mission was specifically mentioned in a widely distributed history published by the Oriental Translation Fund in 1834.
Joseon foreign relations and diplomacy are explicitly referenced in the 1834 work.