Are Laurel and Hardy Public domain?

In terms of intellectual property "public domain" refers to items that have no restrictions of use due to expiration of legal controls (patents, trademarks, copyright)

County Hospital, made in 1932.

Pubic domain occurs naturally when a copyright expires. In theory, a copyright owner can intentionally disclaim any power to enforce a copyright, making it as if it were "public domain".

Yes the bible is a public domain book & can be freely quoted.

If you are referring to Ayn Rand's short novel Anthem, yes -- it is part of public domain.