Handle weird case when a review journal (http://www.recensio.net/rezensionen/zeitschriften/jahrbuch-des-bundesinstituts-fur-kultur-und-geschichte-der-deutschen-im-ostlichen-europa/19-2011/ReviewJournal812894441) lets me not access the 'volumeNumber': "Unauthorized: You are not allowed to access 'volumeNumber' in this context"