1To Benjamin Franklin from [H.] Sykes, 26 January 1779 (Franklin Papers)
ALS : Historical Society of Pennsylvania Mr. Sykes presents his Respectfull Compliments to Mr:...
2To Benjamin Franklin from H. Sykes, 13 March 1779 (Franklin Papers)
ALS : American Philosophical Society As you Seem’d desirous to know the Particulars Relatif to a...
3From Benjamin Franklin to H. Sykes, 18 March 1779 (Franklin Papers)
Copy: Library of Congress I return you enclosed Mr Haywoods Letter and am much obliged to you for...
4To Benjamin Franklin from H. Sykes, 24 April 1779 (Franklin Papers)
ALS : American Philosophical Society I should have sent your Spectacles Sooner, but in Complyance...
5To Benjamin Franklin from H. Sykes, 20 August 1779 (Franklin Papers)
ALS : American Philosophical Society In Consequence of Your Permission, I take the Liberty to...