Your getting a good start you might want to check for other things as well. There are doubled dies on both years. You mentioned one. The 1982-D Small date copper cent. We refer to them by name not weight. (Zinc 2.5g Steel 2.67g and Copper 3.11g) You might check out coppercoins.com for RPM (Re-Punched-Mint marks) and doubled dies on cent coins.
http://www.coppercoins.com/index.php (home page) There is a search there to find years/mint marks/varieties


Other cents and other variety coins can be found in Variety Vista for all coins.
http://www.varietyvista.com/index.htm (home page)
Or another site for many varieties:
http://doubleddie.com/1801.html
These are the resources we often use. You can doe a search for interesting threads on this link that I've post information with a lot of images at different times:
CoopHome (click on this and it will take you to a page of topics and on the second page there is an update link of subjects also covered. So between the suggestions, you will find a lot if information. There is usually someone one here most the time. Enjoy



















