Comment on the type of narration techniques used in Wuthering Heights by Emily Bronte? Is Nelly only a narrator?

Wuthering Heights is the only novel written by the Victorian writer, Emily Bronte besides her poems. It is one of the most passionate and heartfelt novels. It is also, considered highly original and deeply tragic. This novel is about the relation between Catherine Earnshaw and Heathcliff, the orphan boy brought to Wuthering Heights, and his tyrannical revenge excited on everybody for the rage and humiliation he suffers throughout his life.
The novel is based on a group of flashbacks which are organized chronologically and told by a number of narrators. Each participates in the part which c…