- A Grammar of the Japanese Spoken Language (1888, 4th ed.) (transcription project)
- A History of Japanese Literature (1899)
- Shinto: The Way of the Gods (1905)
- Nihongi: Chronicles of Japan from the Earliest Times to A.D. 697 (as translator, 1896)
- In Praise of Japan (No. 2 from Man'yōshū, the poem is attributed to Emperor Jomei)
From Arakida Moritake
From Nishiyama Sōin
From Matsuo Basho
- "Aston, William George," in The New International Encyclopædia, New York: Dodd, Mead and Co. (1905)
- "Aston, William George," in Dictionary of National Biography, 1912 supplement, London: Smith, Elder, & Co. (1912) in 3 vols.