Αρχείο:Lifelettersoffaradayjonesvol1.djvuorg/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English Volume one second edition of The Life and Letters of Faraday by Henry Bence Jones
Αρχείο:Men of the Time, 11th edition.djvuorg/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse Other versions File:Men of the Time.djvu, File:Men of the Time, eleventh edition.djvu