Some of the books and magazines that Ryoutarou has appeared in are as follows.

1993 12.26	AnimeV February 1994	article, MONO {2 P}
1994 02.10	Animedia March 1994	monthly close up, COLOR {2 P}
1994 08.26	AnimeV October 1994	CD article, MONO {1 P}
1995 06.03	Marmalade Boy Koi no Style Book	interview, COLOR {2 P}
1995 06.26	AnimeV August 1995	tomodachi no wa, MONO {1 P}
1995.07.??	Voice Animage 3	Gundam W article, MONO {5 P}
1995 12.02	Virtual Idol 6	It's Say You 3 article, MONO {1 P}
1996 01.10	Anime Star Paradise [Animedia February 1996]	EMU recording report, COLOR {1 P}
1996 01.25	AnimeV March 1996	EMU article, MONO {1/2 P}
1996 04.10	Anime Star Paradise [Animedia May 1996]	EMU article, COLOR {1 P}
1996.04.??	Seiyuu Grand Prix volume 6	E.M.U. article, COLOR {2 P}
1996 05.25	El Hazard Official Tour Guide Etranger	comments, event/recording report, COLOR
1996 07.10	Anime Star Paradise [Animedia August 1996]	EMU live report, COLOR {1 P}
1996 07.25	Voice Animage 9	E.M.U. article, COLOR {3 P}
1996 12.10	Animedia January 1997	interview, COLOR {2 P}
1996 12.25	AnimeV February 1997	EMU+solo CD article, MONO {1/2+1/2 P}
1997 02.10	Animedia March 1997	EMU live report, COLOR {1 P}
1997 02.10	Seiyuu CD and LD Catalog 1997	EMU interview, COLOR {2 P}
1997 06.25	AnimeV August 1997	EMU recording, MONO {1/2 P}
1997 07.10	Animedia August 1997	EMU CD, Nuubee article, COLOR {1+1/2 P}
1997 07.30	Voice Animage 15	EMU article, MONO {1 P}
1997 09.30	Voice Animage 16	article, EMU live report, COLOR/MONO {2+2 P}
1997 10.10	Animedia November 1997	EMU event report, COLOR {1/2 P}
1997 10.26	Ani Raji Grand Prix 10	EMU article, COLOR {1/2 P}
1997 11.10	Seiyuu Grand Prix volume 14	EMU live report, COLOR {1 P}
1997 11.20	Animedic Park vol 12	M radio article, COLOR {1/4 P}
1997 12.10	Animedia January 1998	Sotsugyou M radio, MONO {1/2 P}
1997 12.20	Animedic Park vol 13	interview, COLOR {0.1 P}
1997 12.25	AnimeV February 1998	EMU article, MONO {4 P}
1997 12.30	Dengeki G's Magazine February 1998	Yuukyuu 2 message, COLOR {1/2 P}
1998 01.30	Voice Animage 18	E.M.U. article, MONO {5 P}
1998 02.09	Animedia March 1998	interview, COLOR {1 P}
1998 02.27	Login April 1998	article, COLOR {2 P}
1998 03.10	Animedia April 1998	ZMAP event report, COLOR {1/2 P}
1998 05.27	Game Voice 2	Justice Gakuen article, COLOR {8 P}
1998 09.10	Animedia October 1998	EMU live report, COLOR {1/2 P}
1998 09.20	Animedic Park vol 21	EMU live report, COLOR {1 P}
1998 09.25	Looker November 1998	EMU CD article, MONO {1 P}
1998 10.30	Dengeki G's Magazine December 1998	Yuukyuu ensemble article, COLOR {1/2 P}
1999 01.10	Animedia February 1999	seiyuu message, MONO {1/9 P}
1999 01.29	Dengeki G's Magazine March 1999	article, COLOR {1/2 P}
1999 11.10	Newtype December 1999	article, COLOR {1/4 P}
2000 04.09	Animedia May 2000	E.M.U. live report, COLOR {1 P}
2000 09.30	Dengeki G's Magazine November 2000	Yuukyuu event report, COLOR {2 P}
2000 12.10	Animedia January 2001	EMU live article, MONO {1/4 P}
2003 07.10	Seiyuu Grand Prix August 2003	article, MONO {3 P}
2004.12	HM3 SPECIAL vol 17	article, COLOR {4 P}
2005.05	HM3 SPECIAL vol 22	article, COLOR {5 P}
2005.06	HM3 SPECIAL vol 23	article, COLOR {5 P}
2006.01	HM3 SPECIAL vol 30	article, COLOR {4 P}
2006.02	HM3 SPECIAL vol 31	interview, COLOR {2 P}
2006.04	HM3 SPECIAL vol 33	Marginal Prince article, poster, COLOR {8 P, cover}
2006.05	HM3 SPECIAL vol 34	interview, COLOR {2 P}
2006.08	HM3 SPECIAL vol 37	GIGS article, COLOR {4 P}
2006.11	HM3 SPECIAL vol 40	article, COLOR {5 P}
2007.01	HM3 SPECIAL vol 42	article, COLOR {10 P, cover}
2022 10.12	Shounen Sunday 2022 No.46	Nokemonotachi no Yoru article, COLOR {1 P}