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

1998.03.25	AnimeV May 1998	Kirara audition article, MONO {2 P}
1998.05.22	Voice Animage 20	articles, COLOR {2+2 P}
1998.06.10	Animedia July 1998	Kirara event report, COLOR {1/4 P}
1998.06.10	Dengeki B-Magazine July 1998	event report, COLOR {1/4 P}
1998.07.25	AnimeV September 1998	Kirara article, MONO {4 P}
1998.08.26	Ani Raji Grand Prix volume 15	event report, COLOR {1 P}
1999.08.26	Ani Raji Grand Prix 21	event report, COLOR {1/2 P}
1999.10.07	Comptique November 1999	article, COLOR {1/2 P}
1999.11.10	AX December 1999	article, COLOR {1 P}
1999.12.10	Animedia January 2000	Xmas article, COLOR {1/2 P}
2000.08.10	Dengeki Animation Magazine September 2000	Love Hina article, COLOR {2 P}
2000.10.30	Dengeki G's Magazine December 2000	Sister Princess article, COLOR {1/2 P}
2000.11.10	Animedia December 2000	radio article, MONO {1/2 P}
2001.01.07	Comptiq February 2001	Poemi article, COLOR {3 P}
2001.02.10	Animage March 2001	article, COLOR {1 P}
2001.04.10	Animedia May 2001	after recording report, MONO {1/6 P}
2001.08.10	AX September 2001	sky perfect article, COLOR {1/2 P}
2002.06	HM3 SPECIAL vol 1	article, COLOR {20 P, cover}
2002.09.30	Megami Magazine vol 30	Sister Princess Re Pure article, MONO {1 P}
2002.12.27	Megami Magazine vol 33	Sister Princess interview, COLOR/MONO {1/4 P}
2003.02	HM3 SPECIAL vol 5	Prits article, COLOR {22 P, cover}
2005.03	HM3 SPECIAL vol 20	interview, COLOR {2 P}
2006.07	HM3 SPECIAL vol 36	interview, COLOR {2 P}