The pirenne thesis :
Havighurst, Alfred F.
The pirenne thesis : analysis, criticism, and revision / Edited and with an introd. by Alfred F. Havinghurst. - 3rd edition - Lexington, Mass. : D. C. Heath and Company, 1976. - XXIV, 195 p. : maps ; 20 cm. - Problems in European civilization .
0-669-94680-X
Pirenne, Henri 1862-1935
Middle Ages--Historiography
The pirenne thesis : analysis, criticism, and revision / Edited and with an introd. by Alfred F. Havinghurst. - 3rd edition - Lexington, Mass. : D. C. Heath and Company, 1976. - XXIV, 195 p. : maps ; 20 cm. - Problems in European civilization .
0-669-94680-X
Pirenne, Henri 1862-1935
Middle Ages--Historiography