"Travels in Unshu"

Japanese: 《雲州往来》 - うんしゅうおうらい

…Of the 40 known ancient correspondences, the oldest is the Meigō Orai, written by Fujiwara Akihira, who served as a doctor of literature and university head in the 11th century. This collection of over 200 letters, arranged by month from New Year to December, was also called the Unshū Orai or Unshū Shōsoku, and was widely used as a collection of example letters. Another correspondence thought to have been written around the same time is the Kosanjihon Koorai, which was recently introduced. …

From [Meiho Traffic]

…Written by Fujiwara Akihira, a scholar of Chinese literature in the Heian period. Because Akihira was the governor of Izumo, it is also called “Messages from Unshu” and “Travels in Unshu.” Starting from January, each volume lists letters of submission and their replies in order of month, and contains much of the content about the daily life of the people of the capital at the time, regular and special ceremonies, annual events, sightseeing trips, banquets, etc.…

*Some of the terminology referenced in "Unshu Orai" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…現在40種が知られる古往来の中で，もっとも古いものとされるのは《明衡（めいごう）往来》であり，11世紀に文章博士，大学頭などを歴任した藤原明衡（あきひら）によって作られた。200余通の書簡を集め，正月から12月まで月を追って配列したこの書簡集は，《雲州往来》《雲州消息》などとも呼ばれ，文例集として広く用いられた。同じころに作られたと考えられるものに，近年紹介され，《高山寺本古往来》と名付けられた往来がある。…