1.
Ingrid Wormgoor, Turfschuiten en kustvaarders:Een geschiedenis van de Groninger scheepsbouw ; Web review of Ingrid Wormgoor, barges and coasters. A history of Shipbuilding in Groni...
2.
‘道德经济及其超越-19世纪荷兰农民抗税研究. ; A study of Farmers’ refusal to pay tax in the 19th Century Netherlands’