Those are correct, but read through this webpage and see if you find more. Make sure you read and reread the poems aloud in order to find them all!! Poetry is meant to be read aloud!
http://homepage.smc.edu/meeks_christopher/SOUND%20DEVICES%20USED%20IN%20POETRY.htm
what sound devices does Dickinson employ in the phrase, "too cool for Corn", "But when a Boy, and Barefoot"?
alliteration, slant rhyme
2 answers
Would assonance be one too?