In addition to these treasures are the Shosoin archives ("Shosoin Monjo" in Japanese), which are important historical records that aid in the understanding of Japan during the Nara period; historical articles related to the Todai-ji Temple Great Buddha Eye-Opening ceremony; and ancient medicines, all of which make Shosoin one of the greatest reservoirs of cultural assets to be found.
ほかに、奈良時代の日本を知るうえで貴重な史料である正倉院文書（もんじょ）、東大寺大仏開眼法要に関わる歴史的な品や古代の薬品なども所蔵され、文化財の一大宝庫である。