Submitting deep links to museum or institutional sites is acceptable, but all submissions must provide actual access to collections either through database search tools or a "tour" of the collection. Submissions listing physical access only will not be accepted.

Collections of work by individual artists hould be submitted to an appropriate subcategory of Arts/Photography/Photographers.

Curated virtual exhibitions should be submitted to Arts/Photography/Reference/Curated_Virtual_Exhibitions.

Histories of photography should be submitted to Arts/Photography/Reference/History.