The process in which the anatomical structure of the olfactory nerve is generated and organized. The olfactory nerve is a collection of sensory nerve rootlets that extend down from the olfactory bulb to the olfactory mucosa of the upper parts of the nasal cavity. This nerve conducts odor information to the brainstem. [ GOC:dgh GOC:dph http://openisbn.com/search.php?q=0838580343&isbn=1/ http://purl.obolibrary.org/obo/go/references/0000021 GOC:jid GOC:cls ]