1To Benjamin Franklin from Girardot, Haller & Co., 25 May 1778 (Franklin Papers)
LS : American Philosophical Society Our Corrispondents Mess. F. & A. Dubbeldemitts of Rotterdam...
2To Benjamin Franklin from Girardot, Haller & Co., 2 June 1778 (Franklin Papers)
LS : American Philosophical Society We referr you, to what we had th’honor of writing to you and...
3To Benjamin Franklin from Girardot, Haller & Cie., 4 November 1778 (Franklin Papers)
AL : American Philosophical Society Messieurs Girardot, Haller & Co’s best Compliments to Dr. Bn....
4To Benjamin Franklin from Girardot, Haller & Cie., 17 September 1779 (Franklin Papers)
AL : American Philosophical Society Messieurs Girardot, Haller & Co. most respectful Compliments...
5To Benjamin Franklin from Girardot, Haller & Cie., 23 October 1779 (Franklin Papers)
L : American Philosophical Society Mr. Wm. Bingley a native of Rotterdam bearer of these, and who...
6To Benjamin Franklin from Girardot, Haller & Cie., 18 October 1782 (Franklin Papers)
LS : American Philosophical Society Nous avons Lhonneur de vous presenter mr Housberg chef d’une...
7To Benjamin Franklin from Girardot, Haller & Cie., 14 June 1783 (Franklin Papers)
LS : American Philosophical Society Nous avons l’honneur de Vous presenter Monsieur Volmers,...