Shōwa 50-nen jigyōsho tōkei chōsa hōkoku. Dai 2-kan, Todōfuken hen = 1975 establishment census of Japan. Volume 2 : results for prefectures / [henshū Sōrifu Tōkeikyoku]
昭和50年事業所統計調查報告. 第2卷, 都道府県編 = 1975 establishment census of Japan. Volume 2 : results for prefectures / [編集総理府統計局]