Dlutowo, a village on the river Dzialdówka, Mlawa powiat, Zielun gmina, Dlutowo parish. It has a wooden parish church, a chapel, and a windmill; the church is said to have been built in 1785. In 1827 there were 42 houses and 301 inhabitants in Dlutowo; at present [i.e., when the Slownik was compiled] it has 56 houses, 52 buildings, and 614 inhabitants. The Dlutowo estate consists of the villages of Wawrowo, Konopaty, Zielun, and Ruda; it has a surface area of 6,203 mórgs, including 2,385 of farmland and 1,182 of land belonging to the peasants. Dlutowo parish, of Mlawa deanery, numbers 2,088 souls.
Source: Słownik Geograficzny Królestwa Polskiego - Warsaw [1881, vol. 2, p. 41]
This translation, by William F. Hoffman, first appeared in the Spring 1998 issue of "Bulletin of the Polish Genealogical Society of America".