Before revision: Goubitz / C. van Driel-Murray / W. Groenman-van Waateringe, Stepping Through Time, Zwolle, 2001 Calceological studies outside of Europe include the eastern coast and bays of North America for post 1600 sites,S.
After revision: Goubitz / C. van Driel-Murray / W. Groenman-van Waateringe, Stepping Through Time, Zwolle, 2001 Calceological studies outside of Europe include the eastern coast and bays of North America for post-1600 sites,S.