琉球官話課本《白姓官話》《学官話》《官話問答便語》語彙索引 琉球官話課本《白姓官話》《学官話》《官話問答便語》語彙索引Open in Source ArchivesExternal SiteHumanitiesBook/PublicationDatabase:NINJAL Research Library OPAC (Books)ShareAdd to noteMeta DataNo Digital ContentData sourceNINJAL Research Library OPAC (Books)Bibliographic database of books held by the Research Library of NINJAL.Last updatedSeptember 5, 2023