• Basic Liquid Chromatography(web archive)
  Textbook on High Performance Liquid Chromatography.
• High Performance Liquid Chromatography (Wikipedia)
• Reverse Phase HPLC Basics for LC/MS
• LC/MS homepage
  Designed to provide access to up-to-date information about LC/MS. Features an overview of the utilities of various LC/MS techniques, a section for practitioners, information about availability of LC/MS hardware and contract analytical laboratories.

Recent reviews

• Recent developments in the HPLC seperation of phenolic compounds
  Journal of Seperation science, 34(8), 854-876 2011

Recent books

• Practical high-performance liquid chromatography, 5th edition
  Veronika R. Meyer, 978-0-470-68217, 426 pages, Wiley, 2010

Journals

• Journal of chromatography A
• Journal of chromatography B
• The journal of chromatographic science
• The journal of chromatography and seperation techniques
• Journal of liquid chromatography & related technologies

Databases

• Chromatography databases by ACD/Labs

Companies

• Agilent
• Shimadzu
• Thermo Scientific
• Lab Kits
• Perkin-Elmer
• Jasco
• Armen Instruments
• Cecil Instruments
• Elico
• Waters