noun which may take the genitive case particle 'no'
included; carried; printed
Used to indicate that a work, article, or content is contained within a publication, collection, or issue. Often appears in phrases like 所収の論文 (the article included in ...) or 雑誌所収 (included in a magazine).
この論文集に所収の論文は、どれも興味深い。
Every article included in this collection of papers is interesting.
そのエッセイは文芸春秋三月号に所収されている。
That essay is carried in the March issue of Bungei Shunju.