This website has the catalog of their holdings. They are supposed to have all county records prior to the Rev. War, and most are on microfilm. They also have film of most records for Maryland counties to a later date. There is a fee for interlibrary loan. The website has all the information. LDS branch libraries also have most county records - deeds, wills, admin., etc., on film. http://www.mdarchives.state.md.us/msa/refserv/html/series.html I wrote PG Co. to see if they had estate papers for 1744 (the loose papers often found in a file) - they told me everything was at MSA in Annapolis. Ruth Dunlap