<h1>Richter, Charles F.</h1> <h2>Monograph from <a href="https://authors.library.caltech.edu">CaltechAUTHORS</a></h2> <ul> <li>Richter, Charles F. and Nordquist, John M., el al. (1967) <a href="https://resolver.caltech.edu/CaltechAUTHORS:20140626-144927682">Local Bulletin of Earthquakes in the Southern California Region 1 January 1963 to 31 December 1966</a></li> </ul>