Wiktionary
running title
n. the title or short title of a volume printed at the top of left-hand text pages or sometimes of all text pages
WordNet
running title
n. the title (or a shortened title) of a book used as a running head
Usage examples of "running title".
Ive provided herein some samples of the column that ran in The Globe and Mail every three weeks from 199699 under the running title, The Crazy Years.
When he came upon me with an open book he would glance at the running title over my shoulder and begin talking, either of the particular work or its topic.