What is required in order to be allowed access to reading rooms in the library of congress?

evidence of us citizenship
a purchased library card for either permanent or temporary use
a current, valid picture identification
membership to the us congress

Answer

A current, valid picture identification

Explanation

The library of congress is a research place that officially serves  the united states congress congress. For one to be allowed  access to reading rooms in the Library of Congress is required to have the current picture of identification. This is a valid government issued photo which includes either a passport, a photo ID or even  a driving licence.

what are the following?