Jean Davidson, kinfauns
I have done some quick checks at the PRO earlier this week on the 3 regiments. In order to identify the correct companies I had to check whether regimental histories identified any information for 16 August 1780 and found that they all did.
Using this tried to identify the most likely companies at the Battle of Camden from Captain's names and individuals listed as killed.
Now have copies of the 71st Regiment in my hands. There are three 'groups'of Muster Rolls for 1783
Found small regimental history of 23rd regiment with a few notes on Camden, with 6 rank and file killed. The muster rolls are currently being photocopied for someone else and I will not get access until next week, but they do exist for 1780. These will take a further two weeks to copy onto A2 paper as a special order.
Could not find any Muster Rolls for Royal Artillery although they exist for a later period.
Checked very quickly in PRO library and a useful index book of very old records on correspondence for Camden/August 1780 in North America. As I suspected there is a HUGE volume of correspondence from the War Office, Colonial Office, Treasury, Master of the Ordnance, etc. Exceptional luck in also finding an book on published extracts. Have photocopied a letter from Lt Gen Earl Cornwallis to Lord George Germain, dated 21 August 1780 for you giving his personal account of the battle at Camden - from the Colonial Office papers.
Meanwhile as it is clear that the muster rolls will not be photocopied and posted to you for a few weeks, have sent 3 attachments on my brief research - necessary to identify the correct muster rolls and will be useful to ensure you make a good case for funding for research cost in the UK.
I have not checked any of the Journals at the National Army Museum or any other materials such as personal diaries or regimental histories. I have used one article from this source already, for my own research, which is on all the Scottish regiments recruited or expanded for the 1776-83 war in North America. This article summarises movements of regiments and companies to various places of action including South Carolina. Will check and photocopy per the instructions below.
I trust this information meets your needs.