The supposed "largest book in the world," the visitors' register for the California Building, Alaska Yukon Pacific Exposition, Seattle, 1909.
<bdi><a href="https://en.wikipedia.org/wiki/en:Frank_Hamilton_Nowell" class="extiw" title="w:en:Frank Hamilton Nowell"><span title="American photographer and postcard publisher">Frank H. Nowell</span></a>
</bdi>
1909
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uw_digital_images/3383230122/">California Building</a>