Nihon o meguru anzen hoshō korekara 10-nen no pawā shifutoAkio Watanabe, Masahiro Akiyama · First published 2014Open the Tome
Jōhō kōkaihō, Kojin jōhō hogohō, Kōbunsho kanrihōMasahiro Uzaki, Kazuteru Tagaya, Yasuhiko Tajima, Hiroshi Miyake, Mikio Akiyama · First published 2013Open the Tome
Nitchū anzen hoshō, bōei kōryū no rekishi, genjō, tenbōMasahiro Akiyama · First published 2011Open the Tome
Umi no kokusai chitsujo to kaiyō seisakuTadao Kuribayashi, Masahiro Akiyama · First published 2006Open the Tome
