Due to system maintenance, ProQuest Ebook Central will be temporarily unavailable during the following periods:
11:00 AM – 3:00 PM, Sunday, August 10, 2025 (Japan Time)
https://kohmura01.jpn.org/wp-content/uploads/2019/10/logo.png00hlwp_toshohttps://kohmura01.jpn.org/wp-content/uploads/2019/10/logo.pnghlwp_tosho2025-08-04 14:30:312025-08-04 14:30:33Scheduled downtime for ProQuest Ebook Central maintenance on Aug. 10