Mapping collected by William Augustus, Duke of Cumberland
Pierre du Mortous (active 1750s)
Eugène Henri Fricx (1644-1730)
François Hancko (active 1741-8)
George Fricx (active 1740s)
Johann Carl Treu (active 1744-6)
George Augustus Schultz (active 1734-49)
Anonymous
Nathaniel Parr (active 1724-51)