• Biodiversity of Fossils in Amber from the Major World Deposits, 
  D. Penney (editor)
• Atlas of plants and animals in Baltic amber, Wolfgang Weitschat, Wilfried Wichard
• Aquatic Insects in Baltic Amber / Wasserinsekten Im Baltischen Bernstein, W. Wichard, C. Gröhn & F. Seredszus
• Fossil Insects: An introduction to palaeoentomology, D. Penney & J.E. Jepson
• Baltic Amber: A Palaeobiological Study, Sven Gisle Larsson
• The Ants of the Baltic Amber, William Morton Wheeler
• Fossils in Amber: remarkable snapshots of prehistoric forest life, D. Penney & D.I. Green
• Evolution of the insects, David A. Grimaldi and Michael S. Engel
• Life in Amber, George O. Poinar, Jr.
• Dominican Amber Spiders: a comparative palaeontological-neontological approach to identification, faunistics, ecology and biogeography, D. Penney

Different articles about amber
Danish articles

• RAV , Nordens Guld (af Morten Hjuler, fotos af Søren Bo Andersen -  Særtryk af GeologiskNyt)

• World's 'oldest' spider web found
• Will amber inclusions provide the first glimpse of a Mesozoic proteome? (Gary B Smejkal, George O Poinar Jr, Pier Giorgio Righetti - Expert Reviews. Proteomics 6(1), 1-4 (2009))
• Ants are surprisingly ancient, arising 140-168 million years ago
• Rare body parts find provides vital clues to identity of ancient fossil
• Uninvited guests to the proteomics picnic. (Gary B Smejkal, Harvard School of Medicine, Boston, 2010)
• Insect Pollination, Oldest On Record, Seen In Dinosaur-Era Insects Trapped In Amber
• First orchid fossil puts showy blooms at some 80 million years old
• Burmese amber/ The mind-blowing Diogenes lacewing: how to store remains to survival 110 million years ago
• Burmese amber/ Ancient Insect: 'Unicorn' Fly Never Before Observed
• 15 Incredible Images of Prehistoric Creatures Trapped in Amber (Michele Collet, www.environmentalgraffiti.com)
• Aquatic organisms as amber inclusions and wxamples from a modern swamp forest. (PNASOctober 16, 2007 vol. 104 no. 42 16581-16585)

Websites

• www.ravklubben.dk The Danish Amber club
  If you want the page translated into English using Google translator: www.ravklubben.dk
  
• www.tardigrade.dk Danish site about microsopy and amber 
  If you want the page translated into English using Google translator: www.tardigrade.dk
  
• www.ravjagt.dk Danish site about Danish amber
  If you want the page translated into English using Google translator: www.ravjagt.dk
• www.ravras.dk President of the Danish amber club selling his collection

• http://fossilinsects.net/lib.htm - Library of articles about fossil insects
• www.amber.com.pl - The biggest portal about amber (in english)

• Phylogeny of the Beetles - Christoph Benisch, 2010
• Understanding Evolution by the University of California, Berkeley Museum of Paleontology 
• Evolution by PBS
• Tree of Life web project, offers information on the diversity and evolutionary relationships of all organisms on Earth
  

• www.australian-amber.com.au
• A video about Australian amber
• http://australianmuseum.net.au/

• The Amber Forest: A Reconstruction of a Vanished World by George Poinar Jr., & Roberta Poinar
• Discovering the lost world of the amber forests - BBC radio (Wednesday 16 February 2005 9.00-9.30pm)
• I would particularly recommend Hermann K Dittrich websites around the dominican amber. There are several websites but here is a link to a few of them - www.blueamber.info, www.amberinclusions.com. You can click on to the other from above link - infinity of useful knowledge.

• http://www.amberabg.com - Photographed collection of inclusions in Baltic amber.
• http://www.amber-ambre-inclusions.info/ - Photographed collection of inclusions in Baltic amber

Cambay Amber

• http://www.cosmosmagazine.com/node/3826
• http://www.sciencedaily.com/releases/2010/10/101025152256.htm
• http://www.bbc.co.uk/news/science-environment-11618809
• Biogeographic and evolutionary implications of a diverse paleobiota in amber from the early Eocene of India - www.pnas.org 
•  http://cambayamber.com/ 

• Cretaceous African life captured in amber - article
• Nnational Geographic
• Science

• Upper Cretaceous Facies, Fossil Plants, Amber, Insects and Dinosaur Bones, Sareville, New Jersey - by Bruce Cornet, Ph.D.
• A formicine in New Jersey Cretaceous amber (Hymenoptera: Formicidae) and early evolution of the ants - by D. Grimaldi and D. Agosti
• Ancient tick poses new questions - scientificamerican.com
• TerraTreasures.com
• New Jersey has treasure trove of amber - Jeff Poling.
• A Feather in Amber from the UpperCretaceous of New Jersey1A Feather in Amber from the UpperCretaceous of New Jersey - David Grimaldi and Gerard R. Case

• Assassin Spiders - Archaeidae and Mecysmaucheniidae (Hannah M. Wood)
• www.edderkopper.net - Norwegian spiders (Glenn H. Morka)

• The beetle fauna of Germany (Christoph Benisch)

• www.reduviidae.de (Daniel Bauer)

• www.cirrusimage.com (Bruce Marlin)

• www.sam-diane.com/psocopteraoftexas.html (Diane Young)