2006 Matthews, P. J., Plant Trails in Oceania In K. R. Howe (ed.) Vaka Moana: Voyage of the Ancestors, pp.94-97, David Bateman Ltd., Auckland, New Zealand.
2006 Matthews, P. J., Written records of Taro in the Eastern Mediterranean. In Z. Fusun Ertug (ed.) Proceedings of the Fourth International Congress of Ethnobotany (ICEB 2005), Istanbul-Turkey, 21-26 August 2005, pp.419-426, Yayinlari, Istanbul.
2006 Barton, Huw and P. J. Matthews, Taphonomy. In Robin Torrence and Huw Barton (eds.) Ancient Starch Research, pp.75-94, Left Coast Press, Walnut Creek, California, U.S.A..
2006 Matthews, P. J., The Domestication of Nutrient Cycles: a unifying principle for thinking about the origins of agriculture? In Osada T. and M. Witzel (eds.) Proceedings of the 7th ESCA Harvard-Kyoto Roundtable (Ethnogenesis of South and Central Asia), Kyoto, 6-8 June 2005, pp.80-95, Research Institute for Humanity and Nature: Kyoto.
2006 Matthews, P. J., How and when did taro become the most widespread starchy food crop in the world? In Robin Torrence and Huw Barton (eds.) Ancient Starch Research, pp.22-23, Left Coast Press, Walnut Creek, California, U.S.A..
2005 Matthews, P. J. and K. W. Naing, Notes on the Provenance and Providence of Wildtype Taros (Colocasia esculenta) in Myanmar. In Bulletin of the National Museum of Ethnology Vol. 29(4), pp. 587-615, National Museum of Ethnology.
2004 Matthews, P.J., Taro, Encyclopedia of World Environmental History, Vol. 3, pp.1185-1186, Routledge, London.
2004 Matthews, P.J., Genetic Diversity in Taro, and the Preservation of Culinary Knowledge, Ethnobotany Research & Applications 2, pp.57-71 (University of Hawaii at Manoa).
2004 Matthews, P.J., Food Culture in New Zealand. In Food Culture in the World 7 Australia and New Zealand, pp 219-250, Rural Culture Association, Tokyo (in Japanese).
2003 Matthews, P. J. "Taro planthoppers (Tarophagus spp.) in Australia and the origins of taro (Colocasia esculenta) in Oceania." Archaeology in Oceania 38: 192-202.
2003 Matthews, P. J. "Identification of Benincasa hispida (wax gourd) from the Kana archaeological site, Western Highlands Province, Papua New Guinea." Archaeology in Oceania 38: 186-191.
2002 Matthews, Peter J., M. Matsuda, and Y. Ochiai, Comments on the Classification and Naming of Root Crops and other Crop Categories" In Yoshida, Shuji and Matthews, Peter J. (eds) Vegeculture in Eastern Asia and Oceania. JCAS Symposium Series, No. 16. The Japan Center for Area Studies, Osaka. pp. 331-335.
2002 Matthews, Peter J. "Taro Storage Systems" In Yoshida, Shuji and Matthews, Peter J. (eds), Vegeculture in Eastern Asia and Oceania. JCAS Symposium Series, No. 16. The Japan Center for Area Studies, Osaka. pp. 135-163.
2002 Yoshida, Shuji and Matthews, Peter J. (eds), Vegeculture in Eastern Asia and Oceania. JCAS Symposium Series, No. 16. The Japan Center for Area Studies, Osaka. 335 pp.