Scientist and Inventor: Benjamin Franklin: In His Own Words... (AmericanTreasures of the Library of Congress). Retrieved on 2007-12-23. https://creativecommons...
location IA Collections: library_of_congress; americana Accession number americanencyclop00blak Notes Page # 719 some text cover by white tape. some text missing...
1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public...
