Tools and tillage — a journal on history of implements of cultivation and other agricultural processes: Editors: G. Lerche and A. Fenton. The International Secretariat for Research on the History of Agricultural Implements, National Museum, Brede, DK-2800 Lyngley, Denmark, published by the printer to the Royal Danish Court, Poul Kristiansen, D-7400 Herming, Denmark, price: 85 D. Kronor; if paid by foreign currency, add 30 D. Kronor (postage not included), ISSN: 0563-8887