◆March 31, 2012 "Basic Income as a Policy Goal," Core Ethics 8:149-159 [PDF]
◆March 31, 2012 "Liberal Neutrality and Limited Governments: The Minimization of Social Minimum Policy Regime and the Maximization of Basic Income," Core Ethics 8:161-170 [PDF]
◆March 25, 2011 "Global Justice, Basic Income, and Linguistic Justice," Ars Vivendi Vol.3:248-250
◆March 31, 2009 "Why Do Basic Income Advocates Support Basic Income?: Comments on Pragmatic and Principled Cases for Basic Income" Core Ethics 5:149-160 [abstract](http://www.ritsumei.ac.jp/acd/gr/gsce/ce/ce5engtext.htm#13)
◆SAITO Taku et al. November 25, 2008 "The USA: Development of System and Policy"
HAGIWARA Yasuo, MATSUMURA Shoko, USAMI Koichi & GOTOH Reiko (eds.) Almanac of Social Welfare in the World in 2008, Junposha, 575p. ISBN-10: 4845110997 ISBN-13: 978-4845110995 [amazon]/[kinokuniya] (Japanese)
◆April 30, 2008 "Japanese Statement of "Gap-Widening Society" Seen from Basic Income Theorists" Social Policy Studies 8:130-152, Toshindo
◆VAN PARIJS Philipp 2004 "Basic Income: A Simple and Powerful Idea for the Twenty-First Century", Politics & Society 32-(1):7-39= April 30, 2008 (Translated by) SAITO Taku & GOTOH Reiko, Social Policy Studies 8:87-129, Toshindo
◆ABE Ayaka, SAITO Taku et al. November 2007 "The USA: Reality of Social Welfare: Child Abuse"
HAGIWARA Yasuo, MATSUMURA Shoko, USAMI Koichi & GOTOH Reiko (eds.) Almanac of Social Welfare in the World in 2007, Junposha, pp.224-234 ISBN-10:4845110520 ISBN-13:978-4845110520 [amazon]/[kinokuniya] (Japanese)
◆March 2007 "Summary of UBI Theory of Justification by Professor Van Parijs" Report of Workshop with Professor Van Parijs: Actual Freedom for All the People! 171-182
◆ABE Ayaka, GOTOH Reiko, SAITO Taku et al. December 5, 2006 "The USA: Reality of Social Welfare: Welfare Based on Capital - As Endnote"
HAGIWARA Yasuo, MATSUMURA Shoko, USAMI Koichi & GOTOH Reiko (eds.) December 5, 2006 Almanac of Social Welfare in the World in 2006, Junposha, 555p. ISBN:9784845109999 (4845109999) [amazon]/[boople] (Japanese)
◆March 31, 2006 "Basic Income vs. Basic Capital" Core Ethics 2:115-128 [Abstract]
◆March 31, 2006 "A Trend of Welfare-State Reforms: The Shift to the Asset-Based Welfare" Core Ethics 2:259-269 [Abstract]