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

1998 06.10	Animedia July 1998	Lost Universe interview, COLOR {2 P}
1998 11.22	Voice Animage 23	article, MONO {4 P}
1999 01.10	Animedia February 1999	seiyuu message, MONO {1/9 P}
1999 04.26	Voice Radimage	article, CT label, COLOR {2 P}
1999 10.25	Voice Radimage 2	articles, COLOR {2+1/2 P}
2000 02.10	Animedia March 2000	article, MONO {1 P}
2000 04.09	Animedia May 2000	TV recording report, MONO {1/4 P}
2000 06.10	Animedia July 2000	article, COLOR {1 P}
2000 07.10	Animage August 2000	Saiyuuki article, COLOR {1/2 P}
2000 12.10	Animedia January 2001	article, COLOR {1/2 P}
2001 04.10	Animedia May 2001	after recording report, MONO {1/3 P}
2001 09.10	Animedia October 2001	Angelic Layer article, COLOR {2 P}
2002.09	HM3 SPECIAL vol 3	article, COLOR {2 P}
2002 11.10	Seiyuu Grand Prix December 2002	talk, event report, COLOR/MONO {5+1 P}
2003.06	HM3 SPECIAL vol 7	interview, COLOR {2 P}
2004 02.10	Animedia March 2004	Saiyuuki article, COLOR {2 P}
2004.06	HM3 SPECIAL vol 14	article, COLOR {2 P}
2005.01	HM3 SPECIAL vol 18	articles, COLOR {7+3 P, cover}
2005.03	HM3 SPECIAL vol 20	Neo Romance report, COLOR {10 P}
2005.05	HM3 SPECIAL vol 22	interview, COLOR {2 P}
2005.06	HM3 SPECIAL vol 23	event report, COLOR {7 P}
2005.10	HM3 SPECIAL vol 27	event report, COLOR {6 P}
2006.01	HM3 SPECIAL vol 30	interview, COLOR {2 P}
2006.03	HM3 SPECIAL vol 32	event report, COLOR {5 P}
2006.08	HM3 SPECIAL vol 37	event report, COLOR {5 P}
2006.11	HM3 SPECIAL vol 40	Neo Romance article, COLOR {18 P}
2007.01	HM3 SPECIAL vol 42	Neo Romance live report, COLOR {6 P}
2008 09.10	Newtype October 2008	Code Geass talk, COLOR {2 P}
2009 08.10	Newtype September 2009	Gundam column, event report, COLOR {1/2+1/2 P}
2009 09.10	Newtype October 2009	event report, COLOR {1/2 P}