OUR AGRICULTURAL HERITAGE: PEASANT ECONOMY IN THE 18TH AND 19TH CENTURIES. In joint co-operation between the Agricultural and Economic Centre of the University of Debrecen and the Board of Directors of the Museums of Hajdú–Bihar County (Déri Museum), in April, 2013, a permanent exhibition was opened at the Agrarian Centre with the title ”Peasant Economy of the Plains Region in the 18th and 19th Centuries”. T he permanent display of the museum presents the traditions of the plains-region economy from the end of the 18th century to the beginning of the 20th century in the most characteristic areas of a primarily market-town economy: agriculture, animal husbandry, and viniculture. he text printed here treats original objects, archival photographs and graphic material made at the beginning of the 20th century.