Sankō Library, Private religious library in Shibakōen, Japan
Sankō Library is a private religious library in Shibakōen, Tokyo, focused on Buddhist texts, historical documents, and woodblock prints from the Edo period. It occupies the first floor of the Meishokaikan building and holds a collection of roughly 256,000 volumes.
The library was founded by Benkyō Shiio and became part of the Sankō Research Institute for Buddhist Studies in 1964, opening to visitors in 1966. That move turned a private collection into a research center bringing together Buddhist and historical sources in one place.
The library holds travel journals by Matsuo Bashō, the 17th-century Haiku poet, alongside historical maps of Japan drawn by Inō Tadataka, the country's first modern cartographer. Studying these items gives visitors a direct sense of how people once moved through and imagined the land.
The library sits on the first floor of the Meishokaikan building, so it is straightforward to locate without having to search through the premises. It is open on weekdays during daytime hours, and checking the schedule before visiting is a good idea.
The holdings are divided into named subcollections, such as the Takeda, Uchida, Shiio, and Masutani collections, each assembled by a different collector. This structure lets researchers work within a specific body of material without sifting through the entire holdings.
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