By Bakker, Gerbrand, Colmer, David
By Bakker, R. Scott
By Clarke, Ronald J., Bakker, Jokie
By Bakker, Egbert J.
By Bakker, Frans
By Grootendorst, Albert W., Aarts, Jan, Bakker, Miente, Erné, Reinie
By Bakker, Robert
By Bakker, Jay
By Bakker, Karen
By Bakker