Google Scholar is a search engine that indexes the full text of scholarly literature across the web. It covers a wide range but not the entire deep web. The document provides guidance on how to effectively search Google Scholar including setting search filters and limits. It also explains how to link from Google Scholar search results to the full text of articles through the Hokkaido University Library as well as how to install the Google Scholar browser button. Finally, the document contrasts Google Scholar with the Web of Science database and provides tips for effectively searching Web of Science to find high-quality academic articles.