The assignment and cultivation of state land -- The old Babylonian period -- Land assigned on the basis of service -- The cultivation of biltu fields -- Biltu and miksu in the context of official agriculture and the administration of assigned shares -- The old babylonian erres in the public sphere -- Summary o fhte old babylonian material -- Dues and revenues -- Bibsu -- Miksu as an agricultural impost -- Evidence for a system of agricultural period -- Models of agricultural organization in Mesopotamia comparisons and contrasts.