It may be old news to some, but it the MyHeritage “Compilation of Published Sources” search tool was new to me. Similar to Google books, this search includes a variety of printed material including yearbooks, city directories, and more.
The search interface is easy to use. Try different combinations to get different, and sometimes better, results:
The search results screen gives you the title of the source, the publication place, and an excerpt from the materials with your search terms highlighted:
Selecting an item takes you to a detail page where you can see the full text. Zoom toggles are available and you can also opt to view full screen. Once on an individual page you can move back and forth through the pages of the book.