Marsden's vocabulary

Account of a voyage of discovery to the west coast of Corea and the great Loo-Choo Island

Basil Hall

1818

Okinawan-English Wordbook

Mitsugu Sakihara

2006

Okinawa no hōgen

Nakamatsu, Takeo

1983

Nitchū ryōgengo ni okeru daimeishi oyobi shinzoku goi no taishō kenkyū

Hidehiro Muraoka

2003

Ko Ryūkyū

Fuyū Iha

1911

Hattori Shirō Okinawa chōsa nikki

Shirō Hattori

2008

Okinawa bunka wa doko kara kita ka

Osamu Takanashi

2009

Burajiru Nikkei, Okinawa-kei imin shakai ni okeru gengo sesshoku

Mayumi Kudō

2009