Patrick McWilliams

People and Places (Index to Ordnance Survey Memoirs of Ireland)

2003

Index to Ordnance survey memoirs of Ireland series

2002

Ordnance Survey Memoirs of Ireland, Vol. 40

1998

Ordnance Survey Memoirs of Ireland, Vol. 39

1996

Parishes of County Londonderry

1994

Ordnance survey memoirs of Ireland

1993