An official website of the United States GovernmentHere’s how you know
Official websites use .govA .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock or https:// means you’ve safely connected to the .gov website.
Share sensitive information only on official, secure websites.
Preview: 2019 Federal Depository Library Biennial Survey
Preview of the questions in the 2019 Biennial Survey.
