The following Maryland and Virginia record abstracts are available from Amazon and most book dealers everywhere
Prince George's County, Maryland Land Records
Prince George's County, Maryland, Land Records 1749-1752: Liber PP
Prince George's County, Maryland, Land Records 1752-1757: Liber PP
Prince George's County, Maryland, Land Records 1757-1759: Liber PP
Prince George's County, Maryland, Land Records 1759-1763: Liber RR
Prince George's County, Maryland, Land Records 1763-1767: Liber TT
Prince George's County, Maryland, Land Records 1767-1769: Liber BB 2
Prince George's County, Maryland, Land Records 1769-1772: Liber AA 2
Prince George's County, Maryland Land Records 1772-1774: Liber BB-3
Prince George's County, Maryland Land Records 1774-1780: Liber CC-2
Prince George's County, Maryland Land Records 1780-1784: Liber FF-1
Prince George's County, Maryland Land Records 1784-1785: Liber FF-2
Prince George's County, Maryland Land Records 1785-1787: Liber HH
Prince George's County, Maryland Land Records 1787-1789: Liber HH-2
Prince George's County, Maryland Land Records 1789-1790: Liber II
Prince George's County, Maryland Land Records 1790-1791: Liber JJ-2
Prince George's County, Maryland Land Records 1791-1793: Liber JRM-1
Prince George's County, Maryland Land Records 1793-1794: Liber JRM-2
Charles County, Maryland Maryland Wills, Administration and Land Records
Charles County, Maryland, Index of Probate Records, 1791-1850
Charles County, Maryland, Administration Accounts, 1791-1798
Charles County, Maryland Wills 1791-1801: Liber AK-11
Charles County, Maryland Wills 1801-1808: Liber AL-12
Charles County, Maryland Wills 1808-1817: Liber HBBH-13
Charles County, Maryland Wills 1818-1825: Liber HB-14
Charles County, Maryland Wills 1825-1833: Liber WDM-15
Charles County, Maryland Wills 1833-1850: Liber DJ-16
Charles County, Maryland, Land Records 1796-1799: Liber IB-2
Charles County, Maryland, Land Records 1799-1801: Liber IB 3
Charles County, Maryland, Land Records 1801-1803: Liber IB 5
Charles County, Maryland, Land Records 1804-1806: Liber IB 6
Charles County, Maryland, Land Records 1806-1808: Liber IB 7
Charles County, Maryland, Land Records 1808-1810: Liber IB 8
Charles County, Maryland, Land Records 1810-1814: Liber IB-9 & IB-10
Charles County, Maryland, Land Records 1814-1817: Liber IB-11
Westmoreland County, Virginia Wills, Administration and Land Records
Early Colonial Settlers of Southern Maryland and Virginia's Northern Neck Counties