Rujuksn Batu dakwat

    Sumber utama
    • T.C.Lai, Treasures of a Chinese Studio, Hong Kong, 1976.
    • Kitabatake Sōji and Kitabatake Gotei, Chūgoku kenzai shūsei (A Compendium on Chinese Inkstones), Tokyo, 1980.
    • Kitabatake Sōji and Kitabatake Gotei, Suzuri-ishi gaku (An Inkstone Encyclopedia), Tokyo, 1977.
    • Yin-ting hsi-ch'ing yen-p'u (An Imperial Catalogue of the Western Brightness Collection of Inkstones), 24 chapters, preface 1778.