Map by Jan Jansson of Middlesex and Hertfordshire. Dated 1646 and titled "Middelsexia cum Hertfordia comitatu : Midlesex & Hertford Shire", Apud Joannem Janssonium. Oriented West-East. Text in Latin on verso and English and Latin on map. Pages 167 and 168, reads "Cattieuchlani" and "Hertfordshire". Probably from one of the editions of Jan Jansson's Atlas.