Use the web. A keyword search using a free search engine such as Google or Bing will provide you with hundreds of papers and articles in just seconds.White papers, application notes, journal articles and studies are all there as counterfeiting has insured this is a popular topic.
Examples of older general articles: "HPLC Analysis of Printing Inks" (for forensic analysis), Link to citation = http://www.astm.org/DIGITAL_LIBRARY/JOURNALS/FORENSIC/PAGES/JFS13518J.htm
"Chromatographic Analysis of Inks for Forensic Science Applications", Tebbett IR: Sci Rev 3:71–82; 1991.
You can narrow down all of the available HPLC methods if you specify the ink type and concern.