The 776th has an association which I suggest you contact. They will be able to provide you more information, go to the attached web site and scroll down until you locate the 776th
http://www.normandyallies.org/dbase-armor.htm
Here is a web site that the 776th maintains on the web:
http://www.lakemartin.net/~cfrench/
Another good site: Org Support 776
We have had yearly reunions for the 776th veterans. They are having their final one this year, August 13,14,15, 2004 in Minneapolis. We have records of the campaigns they fought. There is also a web site that has information: 100thww2.org
Good luck.