Some of the books and magazines that Mariko has appeared in during the year 1999 are as follows.

1999.01.10	Animedia February 1999	seiyuu message, MONO {1/9 P}
1999.01.22	Voice Animage 24	article, MONO {3 P}
1999.01.25	Looker March 1999	column, COLOR {1 P}
1999.01.25	Seiyuu Grand Prix 21	articles, COLOR {2+5 P}
1999.02.25	Looker April 1999	article, COLOR {1 P}
1999.02.26	Ani Raji Grand Prix 18	article, COLOR {3 P}
1999.03.10	Animedia April 1999	article, COLOR {1/4 P}
1999.03.25	Looker May 1999	article, COLOR/MONO {1+1 P}
1999.04.26	Ani Raji Grand Prix 19	article, COLOR {3 P}
1999.04.26	Voice Radimage	article, MONO {2 P}
1999.06.10	Newtype July 1999	tour report, COLOR {1/4 P}
1999.06.26	Ani Raji Grand Prix 20	article, MONO {4 P}
1999.07.10	Animedia August 1999	live article, COLOR {1/2 P}
1999.08.07	Animedia September 1999	CD article, COLOR {1 P}
1999.08.26	Ani Raji Grand Prix 21	articles, interview, COLOR/MONO {cover, 6+3+1/4+5 P}
1999.09.10	Newtype October 1999	Iketel seiyuu relay, COLOR {2 P}
1999.10.09	Animedia November 1999	live report, COLOR {1/2 P}
1999.10.25	Voice Radimage 2	article, COLOR {2 P}
1999.10.26	Ani Raji Grand Prix 22	event report, COLOR {1/2 P}
1999.11.10	Animedia December 1999	event report, COLOR {1/4 P}
1999.11.10	Dengeki Animation Magazine December 1999	event report, concert report, COLOR {1+1/2 P}
1999.11.10	Newtype December 1999	event report, COLOR {1/4 P}
1999.12.10	Animedia January 2000	Xmas article, COLOR {1/2 P}
1999.12.26	Ani Raji Grand Prix 23	articles, interview, COLOR/MONO {4+1/2+1/4+1/6 P}