These links provide information about alerting services which can be used to keep up-to-date.
In addition to the services noted above, many journals will allow you to set up alerts to receive a new table of contents (TOC) via email or RSS feed. To set up alerts, go to the journal's home page and look for TOC or eTOC or alerting or email new content, etc., and follow instructions for set up. Visit the Alerts subject guide for more info on alerts via email and RSS feeds.