全国都市清掃会議[19--]-<Z16-160>
Available onlineNational Diet LibraryOther Libraries in Japan
荏原製作所「エバラ時報」編集部[1952]-<Z16-356>
Available onlineNational Diet LibraryOther Libraries in Japan
「用水と廃水」編集委員会 編産業用水調査会1959-<Z14-265>
National Diet LibraryOther Libraries in Japan
日本下水道協会1964-<Z43-66>
Available onlineNational Diet Library