Research field (2)：
Local studies
, English linguistics
Research keywords (13)：
history of the English language
, England
, place-names
, personal names
, climatic place-names
, field-names
, climate
, landscape
, topography
, vegetation
, hydrology
, geology
, soil
Research theme for competitive and other funds (1)：
2011 - 2013 English place-names with climatic elements: interdisciplinary study beginning with an examination of etymology
Papers (30)：
Masaya Takuma. English Place-Names Containing Old English cald and cōl: Extending the Sources of Examples. Tokyo Future University Bulletin. 2021. 15. 101-109
Masaya Takuma. English Place-Names Containing Old English cōl Followed by Landscape Features Other Than Water Features. Tokyo Future University Bulletin. 2020. 14. 115-128
Takuma Masaya. English Place-Names Containing Old English cōl Followed by Water Features. Tokyo Future University bulletin. 2019. 13. 103-107
Shigyo Tomoko, Takuma Masaya, Oshima Sachi, Funata Manami, Matsuzaki Carreira Junko. Possible Use of a Digital EFL Resource for Young Children as Remedial Material for Japanese University Students. Tokyo Future University bulletin. 2019. 13. 75-85
English place-names containing Old English cald followed by water features. 2018. 41. 47-62
