The index to the most recent volume contains references to entries in the entire set. Short biographies precede critical information. The best biographical information is usually found in the first volume covering the author in question. Contemporary Authors Z 1224.C62 ht. Same coverage as the CLC above.
Entries range from half a page to long entries that even include interviews with the author.
Periodical Articles InfoTrac. Available on all Library computers. Click on Start Searching. Choose Subject Guide and enter the last name of your author. This is a good place to search for writers who have become prominent since 1940.