This volume contains the texts of lectures and posters presented at the Sixth European Conference on the Spectroscopy of Biological Molecules (ECSBM), held at the "Universite des Sciences et Technologies de Lille," Villeneuve d'Ascq, France rd th from 3 to 8 September 1995 at the occasion of the tenth anniversary of the Conference. During a NATO Summer School "Infrared and Raman Spectroscopy of Biological Molecules," organized by C. Sandorfy and T. Theophanides in Maratea (Italy) in 1983, a group of spectroscopists decided to organize a regular European meeting to check the lastest research...