The following sources provide overviews of ideas, people, and events in the history of the modern world and in literary criticism. They are a quick way to find out the basic facts and current points of debate.
When using an article in an encyclopedia or handbook, always check the bibliography for further reading at the end of the article. It will provide a selective list of the books, articles, and, frequently, Web resources considered to be the most up-to-date and reliable.
The first automat in the U.S. opened in Philadelphia around 1902 (Source: Wikimedia Commons)