<h1 id="caltech-library"><a href="./">Caltech Library</a></h1>
<h2 id="caltech-library-systemlibrary-system-papers-and">(“Caltech
Library SystemLibrary System Papers and</h2>
<p>Publications“)</p>
<h3 id="publication">Publication</h3>
<p>Documentations from <a
href="https://authors.library.caltech.edu">CaltechAUTHORS</a></p>
<ul>
<li>Knudsen, Helen Z. (1970) <a
href="https://resolver.caltech.edu/CaltechAUTHORS:20121018-090814408">Index
to Historical Astronomy Print Publications</a></li>
</ul>