"A Short History of GPO Part 1". Federal Library Deposit Program. U.S. Government Publishing Office. November 22, 2017. Archived from the original on September 3, 2021. Retrieved September 3, 2021.
"A Short History of GPO Part 1". Federal Library Deposit Program. U.S. Government Publishing Office. November 22, 2017. Archived from the original on September 3, 2021. Retrieved September 3, 2021.