Foreign Libraries 

Update : 2016/08/01
British Library
GEOLIS (日本産業技術総合研究所)
Harvard University Library
Hong Kong University of Science and Technology
Library of Congress
National Diet Library (國立國會圖書館, 日本)
OhioLINK Library Catalog
OCLC WorldCat
Oxford University
PeKing Universtry Library (北京大學圖書館)
Stanford University
UNILINC Shared Catalogue(Australia)
University of California MELVYL System
University of California, San Diego
Yale University