Dr. Yu Fujikawa's collection, held by the University of Tokyo, is now available at the website "Digital Fujikawa - History of Medicine in Japan." Kyoto University Library Network and Keio University Media Center launched the digital unification project in September 2018. The collection, held by the Faculty of Education, as well as the Graduate School of Education of the University of Tokyo, includes the textbooks and the related books from the late Edo period through Meiji period.
The URL for "Digital Fujikawa" is as follows.
We hope this would be helpful for your research.
http://www.kulib.kyoto-u.ac.jp/rdl/digital_fujikawa/en/