"Collection of Records" - Kikigakishu

...There is also the Ihon Sankashu (also known as Saigyo Shoninshu), which has about 600 poems, of which over 150 have never been seen in a popular edition. Other personal collections of poems by Saigyo include Sanka Shinjushu (360 poems), which may have been excerpted from this popular edition, Kokushoshu (263 poems), which does not have a single poem in Sankashu, and Kokusho Zanshu (32 poems), which has only one poem in common. Saigyo became a monk at a young age and spent his life wandering around nature, and there is something remarkable about his simple style of poetry that reveals the deep emotions he felt when he came into contact with things, and his romantic poetry that fully absorbs tradition....

*Some of the terminology used in the "Kokushoshu" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…ほかに《異本山家集》(《西行上人集》などとも)があり，その歌数約600首のうち150首余りは，流布本に未見の歌である。西行の個人歌集には，ほかに，この流布本からの抄出かとも説かれる《山家心中集》(360首)や，この《山家集》と1首も重複しない《聞書集》(263首)，重複1首のみの《聞書残集》(32首)などがある。若くして出家し自然に親しむ漂泊の生涯を送った西行の，ものに触れての深い感動が流露した平明な歌風や，伝統を十分に消化したうえでの浪漫的詩情に見るべきものがある。…

※「《聞書集》」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報