Britannica International Encyclopedia - Used Quantity: 30 volumes total Main Volume: 20 volumes, First Edition May 1972 - August 1975 Reference Guide: 6 volumes, First Edition September 1972 - November 1974 Bibliography: First Edition, October 1975 General Index: First Edition, December 1975 Subject Guide: First Edition, December 1975 International Atlas: Third Edition, November 1978 Publisher: TBS Britannica Language: Japanese Condition: Yellowing and stains present Stored on a bookshelf for a long time. The contents are clean, but there is yellowing and staining on the covers, spines, and edges of the books. Please refrain from purchasing if you are concerned about this. If anyone is interested in using these, please consider purchasing them. Please note that the weight is too heavy to ship all volumes at once, so they will be divided into three shipments: ①, ②, and ③, with 10 volumes each. When purchasing, please purchase ①, ②, and ③ together.