Post date: Oct 5, 2017 10:48:54 PM
Professor John D. Roberts classic organic chemistry text is available online through the Caltech Library:
https://authors.library.caltech.edu/25034/
Roberts, John D. and Caserio, Marjorie C. (1977) Basic Principles of Organic Chemistry, second edition. W. A. Benjamin, Inc. , Menlo Park, CA. ISBN 0-8053-8329-8. http://resolver.caltech.edu/CaltechBOOK:1977.001