- Several documents waterstained; dam. along margins and folds, partly affecting text.
= Documents include (validated) declarations of expenses for drainage, maintenance and repairs done to mills, dikes and waterways; payment records and receipts, i.a. a record of expenses relating to the purchase of land in the Oude Veerpolder in Warmond (1630); a declaration of expenses and receipt of payment by (carpenter?) Cornelis Pieters Smit from Ter Aar (1666); a declaration of expenses regarding the Waterloospolder in Alkemade (1696, signed by the bailiff of Alkemade, one of the "poldermeesters" and the secretary of the Hoogheemraadschap Rijnland, Johan Hulshout), and a "stuiverbrief" with regards to the Geerpolder near Langeraar (1783). Other polders mentioned are the Bloklandse, Korteraarse, Noordeindse and Langeveldse polders.