Search entire Lapidus collection: search for keyword in text as well as in bibliographic descriptions, use the search box to the right of the ‘Search Tips’ tab.
Search within a particular item: search for keyword in text via the search box at the bottom center of the image viewer.
Note: The Lapidus collection is just one of several collections in DPUL. Those collections are also searchable by both keyword in text and in bibliographic description. A site-wide, cross-collection search is available on the DPUL home page.