Reusing an image is permissible IF one or more of the following apply:
Public Domain in the United States includes images and printed works created in or before 1923 (but not sound recordings!).
Fair use is based on consideration of four factors. For more information, see the Code of Best Practices for Fair Use in the Visual Arts
Note: Before reusing content, make sure that its license is legitimate and check the exact terms of reuse. For example, the license might require that you give credit to the image creator when you use the image. Google can't tell if the license label is legitimate, so we don't know if the content is lawfully licensed.