1. Color Dictionaries and Corpora;Encyclopedia of Color Science and Technology;2023
2. Index;The Correspondence of Charles Darwin;2019-11-21
3. Notes on manuscript sources;The Correspondence of Charles Darwin;2019-11-21
4. Bibliography;The Correspondence of Charles Darwin;2019-11-21
5. Reviews of Erasmus Darwin;The Correspondence of Charles Darwin;2019-11-21