This is a "Virtual Reference Library" (VRL) title. What does that mean? It means you are accessing an electronic (web-based) equivalent of the actual book as it was published in print. Thrall owns multiple VRL titles.

When you first access this title, you will see a Search box with a "within this publication" check box checked. You can either search the contents of this electronic work or browse it according to its Table of Contents by clicking the "eTable of Contents" link above the image of the book's cover near the top of the page.

You can also access the "eBook Index" to jump to indexed topics within the publication.