Items in Derbyshire taken from The Growth of the English House (1909) (results page 1)

Derbyshire, a northern midland county of England, hilly in the N., undulating and pastoral in the S., and with coal-fields in the E.; abounds in minerals, and is more a manufacturing and mining county than an agricultural.

Population (1907) 520,000

From Nuttall Encylopædia, 1907