- Takamiyans! Website https://takamiyans-keio.roundtable.jp/?p=114
- Sanders Lecture Website https://www.lib.cam.ac.uk/sandars/list-sandars-readers-and-lecture-subjects
- Beinecke Rare Book and Manuscript Library https://collections.library.yale.edu/catalog?search_field=all_fields&fulltext_search=1&q=TAKAMIYA