New York: http://dmna.ny.gov/historic/btlflags/exhibits/gettysburg.htm
They do admit New York flags captured.
Pennsylvania: http://cpc.state.pa.us/cpcweb/web/guest/civil-war-flags
Does not admit any Pennsylvania flags captured.
Ohio: http://ohsweb.ohiohistory.org/exhibits/fftc/index.aspx
Does not admit any Ohio flags captured.
Wisconsin: http://www.wisconsinbattleflags.com/background/
Does not admit to any Wisconsin flags captured.
Illinois: http://www.civil-war.com/
Mr. John Schmale, worked on his site alone. He does have Illinois flags listed as captured. I worked with him back in 2006-2007. I gave him Illinois captured flags I had. He knew one half of a story and I knew the other half, so it worked out great.
Michigan: http://www.hal.state.mi.us/mhc/museum/explore/museums/hismus/special/flags/flags2.html
Does admit to a few Michigan flags.
New Jersey: http://www.nj.gov/military/museum/civil_war/12.html
Does not admit to any New Jersey flags captured. (Check out page 12 for Captured Confederate Flags).
Vermont: http://vermontcivilwar.org/museum/flags/
Does not admit to any Vermont flags captured.
Iowa: http://www.iowaflags.org/gallery/infantry.htm
Does not admit to any Iowa flags captured.
Indiana: http://www.in.gov/iwm/2396.htm
Does not admit to any Indian flags captured.
There are more states and probably more websites on the states I typed and did not get to finish. But they are available.
Have a good day,
Shawn Prouty