<h1>Hale, George Ellery</h1>
<h2>Book from <a href="https://authors.library.caltech.edu">CaltechAUTHORS</a></h2>
<ul>
<li>Hale, George E. (1950) <a href="https://resolver.caltech.edu/CaltechAUTHORS:20140430-082602227">Frontiers in Space: Official Publication of the Mount Wilson and Palomar Observatories</a></li>
</ul>