石の下の記録 is a work by 大下宇陀児 recognized by the mystery-writers-of-japan-award in 1951. Public sources were checked by title and author; when no standalone book, paperback, or collection could be identified, identifiers for periodicals or magazine issues were not used.

石の下の記録 is recorded as an award-recognized work by 大下宇陀児.

社会部記者、風船魔 is a work by 島田一男 recognized by the mystery-writers-of-japan-award in 1951. Public sources were checked by title and author; when no standalone book, paperback, or collection could be identified, identifiers for periodicals or magazine issues were not used.

社会部記者、風船魔 is recorded as an award-recognized work by 島田一男.