Schäfer, Dagmar Department Artifacts, Action, Knowledge, Max Planck Institute for the History of Science, Max Planck Society;
https://brill.com/display/book/9789004527256/BP000015.xml (Any fulltext)
Schäfer, D. (2023). Zheng Xuan and Commentarial Etymology (2nd Century CE). In G. W. Most, D. Schäfer, & M. Söderblom Saarela (Eds.), Plurilingualism in Traditional Eurasian Scholarship: Thinking in Many Tongues (pp. 168-181). Leiden: Brill. doi:10.1163/9789004527256_016.