<h3 id="bachelorss-from-caltechthesis">Bachelorss from <a href="https://thesis.library.caltech.edu">CaltechTHESIS</a></h3> <ul> <li>Bowman, Robert Barkley (1926) <a href="https://resolver.caltech.edu/CaltechETD:etd-11292004-135829">The Structure of Di-Substituted Derivatives of Phenyl Sulfone</a>; <a href="https://doi.org/10.7907/FGVN-P306">10.7907/FGVN-P306</a></li> </ul>