John Speed (1600-1676) was an English cartographer and historian. He was a contemporary of Christopher Saxton.
The Theatre of the Empire of Great Briatine (1611/12)
Published in 1611/12, Speed's The Theatre of the Empire of Great Briatine is considered to be one of the first complete sets of individual county maps for England and Wales ever produced.
(Insert pictures with annotations of how we would use the source here)