Gyokushu was known in his day as a commenter and his 1790 art critique "Country Gardens Commentary" was dedicated to Masakata MASHIYAMA, the lord of the Nagashima domain.
玉洲は当時評論家として知られ、寛政2年（1790年）に画論『画苑鄙言』を著し長島藩主増山正賢に献上した。