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Alexander Vovin (2014), Out of Southern China?

Alexander Vovin (2017), And So Flows History (in Endangered Languages of the Caucasus and Beyond)

Alexander Vovin (2017), Origins of the Japanese Language

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Maner Lawton Thorpe (1983), Ryūkyūan language history

Martine Robbeets (2020), Archaeolinguistic evidence for the farming/language dispersal of Koreanic

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Michinori Shimoji (2012), Northern Ryukyuan

Michinori Shimoji (2018), Dialects

Sean Kim (2020), (OLD) The History of the Japonic Languages

Sean Kim (2022), The History of the Japonic Languages

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Shigehisa Karimata (2000), Amami Okinawa hōgengun ni okeru Okinoerabu hōgen no ichizuke

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Teruo Hirayama (1992-1994), Gendai nihongo hōgen daijiten

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Thomas Pellard (2015), The linguistic archeology of the Ryukyu Islands