Dr. J.L. Sellink, Dutch Antique Domestic Clocks, Leiden, 1973, pp. 131-141.
H.M. Vehmeyer, Clocks, their origin and development,1320-1880, Gent, 2004, Vol.I., pp. 392-393
This special type of 'Zaanse' clock with a brass case is relatively rare. In his book Dutch Antique Domestic Clocks Sellink refers to these clocks as being the Alkmaarder type.