Increase your knowledge
She then goes on to write about various catalogs and books about stamp collecting including the newly published Encyclopedia of United States Stamps and Stamp Collecting, edited by Rodney Juell and Steven Rod.
According to Klug, "You can also use the searchable card catalog, the article index, and list of journal holdings of the American Philatelic Research Library to find out what is available in your area of interest. The card catalog is available online at www.stamplibrary.org ."
"If you are a member of the APS, you can borrow library materials. While you are on the web site, read the section titled “How to Use Library Services” and discover how easy it is."
To read her entire article, click here.