[header] How to memorise the raven [title] Obtain a copy of the poem. [step] A printed version of the poem is best for memorisation purposes. You'll be able to visualise the poem in space and better learn the order of the stanzas as a result of their relative positions on the page. 
A digital version will also suffice; it is freely available online on various websites dedicated to poetry and literature. [title] Look up any words, metaphors or sentences you don't understand.