Help me correct the following sentences

Although william carlos williams rejected traditional verse forms he still believed that is was important to use poetic devices to distinguish verse from prose.

When should you use encyclopedias such as wikipedia? a. never, it is not appropriate to use this source in college b. it can you get an overall understanding of the subject matter but is not considered a college-level source c. as long as wikipedia isn't the only source, it is always appropriate to use this source

Who is music included between news updated of the radio version of the war of the worlds