The following are some websites you might want to use to help you gather information about Surrealism and Salvador Dali.
http://www.smithsonianmag.com/arts-culture/the-surreal-world-of-salvador-dali-78993324/?no-ist
http://www.theartstory.org/movement-surrealism.htm
https://www.salvador-dali.org/en_index.html
