The Early Neolithic settlement at Brześć Kujawski was inhabited by people of the Linear Pottery, Early Lengyel, and Late Lengyel cultures, which span the period between 4300 and 3000 radiocarbon years BC.
See:
- Ryszard Grygiel, Peter Bogucki: Early Neolithic Sites at Brzesc Kujawski, Poland: Preliminary Report on the 1976- 1979 Excavations. Ryszard Grygiel. Muzeum Archeologiczne i Etnograficzne, Journal of Field Archaeology Vol. 13 , Iss. 2,1986, pp. 121-137