4E.  Dates of distribution, release, broadcast  (Distribution, Release, Broadcast Area)

4E1.  Dates of distribution, release for non-television works

4E2.  Dates for television broadcasts

4E3.  Copyright or production dates as distribution, release, broadcast dates

4E4.  Approximate dates

4E5.  Undistributed works

See also:

4.  Distribution, Release, Broadcast Area