Ernest Fenollosa, Ezra Pound, Jonathan Stalling, Lucas Klein (2008). “The Chinese Written Character as a Medium for Poetry: A Critical Edition”, p.9, Fordham Univ Press
James Hutton (1788*). “Theory of the earth; or an investigation of the laws observable in the composition, dissolution and restoration of land upon the globe. (From. the Trans., Roy. soc. of Edinb.).”, p.86
Richard Baxter, William Orme (1830). “The Practical Works of the Rev. Richard Baxter: With a Life of the Author, and a Critical Examination of His Writings”, p.167