A904Ancient and Islamic Rock Inscriptions of Southwest Saudi Arabia I: Wādī Khushayba. Kawatoko, M., R. Tokunaga, and M. Iizuka. 2005. ISBN: 4-87297-904-4
A935Keyword in Context Index: Of the Regras Gerays, Breves, & comprehensivas: Da Melhor Ortografia...(1666): By Bento Pereyra. Maruyama, Toru. 2005. ISBN: 4-87297-935-4
A924Ancient and Islamic Rock Inscriptions of South Sinai. Kawatoko, M., R. Tokunaga, and M. Iizuka. 2006. ISBN: 4-87297-924-9
A927Keyword In Context Index to Jinendrabuddhi's: Viśālāmalavatī Pramāṇasamuccayaṭīkā Chapter I. Ono, Motoi, and Jun Takashima (eds.). 2006. ISBN: 4-87297-927-3
B014The Oldest Grammar of Hindustānī: Contact, Communication and Colonial Legacy, vol. 1; Historical and Cross-Cultural Contexts, Grammar Corpus and Analysis. Bhatia, Tej K., and Kazuhiko Machida. 2008. ISBN: 978-4-86337-014-2
B015The Oldest Grammar of Hindustānī: Contact, Communication and Colonial Legacy, vol. 2; Lexical Corpus and Analysis [Ketelaar's Section 1-45]. Bhatia, Tej K., and Kazuhiko Machida. 2008. ISBN: 978-4-86337-015-9
B016The Oldest Grammar of Hindustānī: Contact, Communication and Colonial Legacy, vol. 3; Ketelaar: Original Manuscript [1698 A.D.]. Bhatia, Tej K., and Kazuhiko Machida. 2008. ISBN: 978-4-86337-016-6