1Provincial Commissioners to George Croghan, [17 December 1755] (Franklin Papers)
MS not found; reprinted from Pennsylvania Archives , 1st series, II (Philadelphia, 1852), 536....
2To Benjamin Franklin from George Croghan, 12 December 1765 (Franklin Papers)
LS : Public Record Office As I am return’d to this City, after my long Tour thro’ the Indian...
3To Benjamin Franklin from George Croghan, 27 January 1767 (Franklin Papers)
LS : William L. Clements Library; extract: Public Record Office By the last packet from hence, I...
4List of Fossils Sent by George Croghan to the Earl of Shelburne and Benjamin Franklin, 7 February 1767 (Franklin Papers)
Printed in The Royal Society, Philosophical Transactions , LVII. Part i. For the Year 1767...
5From Benjamin Franklin to George Croghan, 14 April 1767 (Franklin Papers)
ALS : Historical Society of Pennsylvania I received your Favour of Jany. 16. with the Copy of...
6From Benjamin Franklin to George Croghan, 5 August 1767 (Franklin Papers)
MS not found; reprinted from William Temple Franklin, ed., Memoirs of the Life and Writings of...
7To Benjamin Franklin from George Croghan, 2 October 1767 (Franklin Papers)
LS : William L. Clements Library; LS : American Philosophical Society; draft: Historical Society...
8To Benjamin Franklin from George Croghan, 12 February 1768 (Franklin Papers)
Copy in Historical Society of Pennsylvania; fragment, lacking first five paragraphs, in American...
9From George Washington to George Croghan, 24 November 1770 (Washington Papers)
Captn Crawford (who I expect will be the bearer of this letter to you) has promised me, that so...
10To George Washington from George Croghan, 18 August 1771 (Washington Papers)
I Should have Wrote you long ago in answer to yrs of 24th Nobr butt the Spring Turnd out Such...