Find sonnet poems online. Because many sonnets have expired copyrights, they can be viewed for free at various websites. Google terms such as "famous sonnets" to find entire sonnets and individual authors with titles. Web search for sonnet authors and titles to locate specific poems.
Find sonnets at a local library. Ask the librarian to see if she knows of any books containing sonnets. Consult the library's card catalog to search for sonnet writers. Browse the poetry aisle in the library.
Find sonnets by interlibrary loan. Local libraries often belong to a network of many libraries. Search for sonnets by using the interlibrary loan system at the local library or by using the library's website.
Find sonnets in a poetry collection at a bookstore. Travel to a bookstore that sells new or used books. Ask the store clerk where the poetry section is. Browse the titles to find books containing sonnets. Browse for sonnet-containing books to buy online at sites such as Amazon.com.