You can search international library catalogs, but if we can get materials from those libraries, it will take a long time for them to arrive. Most will be sent via media mail rate, which is the slowest. However, many times you may discover titles in international catalogs that you might also find in North American catalogs, like WorldCat.

The following two databases are primarily in Japanese but will accept Romaji input:
[NOTE that long vowels must be entered correctly with long o as "ou" and long u as "uu".]

Waseda University Library Catalog

NACSIS Webcat

East Asian Studies Webliography from ACRL

Asian Studies WWW Virtual Library

The Internet Guide for Chinese Studies

Japan Information Network

Basic Bibliography for Research on Japanese History

Online Resources for Japanese Studies

International Statistical Resources : China, Japan