Nagasaki kōeki nikki (長崎行役日記)

Nagakubo, Sekisui (長久保赤水)

Shinsa shōwa (清槎唱和)

Nagakubo Sekisui (長久保赤水)

Tenmon kanki shō (天文管窺抄)

Nagakubo, Sekisui (長久保赤水)