1
The Writings of Benjamin Franklin, collected and edited by Albert Henry Smyth, Volume IX, New York, 1906.
2
Complete Works of Benjamin Franklin, compiled and edited by John Bigelow, Volume VIII, New York, 1888.
1
The Writings of Benjamin Franklin, collected and edited by Albert Henry Smyth, Volume IX, New York, 1906.
2
Complete Works of Benjamin Franklin, compiled and edited by John Bigelow, Volume VIII, New York, 1888.
3
Histoire des Ballons, Paris, 1887, Volume I, page 29.
