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Documentation
Eilert Sundt

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Instructions for advanced search in the NHDC's
censuses of 1865, 1875 and 1900
See also general instructions for easy search in the censuses of the year 1865, 1875 and 1900.
See instructions for precise location of birth place with municipality codes.
  1. Data to be listed
    Chose all fields to be listed in the data set retrieved, since only fields ticked here will be displayed.
    For instance:

    example 1

  2. Fields to be searched
    After choosing the relevant field(s) from the drop-down lists, write your search criteria in the text box beneath. The field on the upper left side is the primary key for sorting. Remember that fields are not presented in the resulting list unless ticked in the boxes in (1).

    example 2

    Search criteria are as follows:

    example 3

  3. Sex and birth year
    In the bottom part of the screen you may optionally filter the resulting data set by sex or birth year. Both the start year and the end year of a period must be specified, so a one year period is specified by entering the same year twice.

    example 4

  4. Chosing census year, provinces and municipalities
    Trigger the search program by clicking one of the census year boxes. Optionally you may also filter the data geographically by ticking one or more of the province names listed.

    example 5

    By ticking the municipality box, another screen will be displayed for an optional filtering of the province(s) by a subset of municipalities.

    example 6

  5. The resulting data set
    The list of persons chosen is sorted alphabetically by the first search criterion selected. By clicking the blue house icon , the program displays all the persons inhabiting a farm or other domicile, together with data about the place of living.

    example 7

  6. Domicile data set
    In the list of persons living in the same house, flat etc, the head of each household is shown in boldface. Italics denote absent persons.

    example 8

Searching persons by birthplace by using municipality codes

This search method will result in a more well defined data set than searching place names, since the problems of spelling variations and the use of farm names, village names in the census is eliminated. For instance the information on birth place in the 1900 census contains more than 75000 different text strings. For instance, searching for the code 4050 gives us the more than 50000 Swedes residing in Kristiania (Oslo) in 1900, while searching for Sweden gives less than 6500 persons.

NB! See the municipality codes for Norway and country codes for immigrants. Specifying one or multiple codes

  1. The single code 1840 stands for Saltdal municipality in Nordland province, and only persons born here will be listed.

    example 9

  2. The negation 1840- results in a search for all persons not having the birth place code 1840, a negation thus being used to find all persons born outside a specific municipality. This can be used to find all in-migrants to Saltdal if you simultaneously delimit the search to people living in Saltdal (cf the geographic filter in the searching instruction).

    example 10

  3. A municipality code followe by an exclamation point excludes all persons living in the said municipality, in this case resulting in a list of out-migrants from Saltdal. By combining with geographic filtering, out-migrants to certain parts of Norway, for instance Nordland province can be listed.

    example 11

  4. The hyphen specifies a list of municipality codes. Since codes usually are arranged topographically, a contiguous area within a province can be specified, in this case the municipalities from Saltdal through Hamarøy in Nordland province. Because the list of codes is historically dynamic, some of the municipalities specified may not exist in every census year.

    example 12

  5. By adding the exclamation point to example 4, the resulting list is limited to out-migrants from the municipalities Saltdal through Hamarøy.

    example 13

  6. The three final examples show alternative ways of specifying contiguous municipality codes by using the greater than sign (>), less than sign (<) and the asterisk (*) or a combination these signs. Even though placed behind the code for technical reasons, the sign is interpreted as if placed before the code. 1840< lists persons born in municipalities with a birth place code below 1840, that is south of Saltdal. 1840> lists persons born in municipalities with a code higher than 1840, for practical purposes persons born north of Saltdal. By truncating the code with the asterisk (18*), we find persons born in municipalities whose codes start with the specified digits, in this case Nordland province.

    example 14a     example 14b     example 14c

    Good luck with your more closely specified searching!

Norwegian Historical Data Centre (NHDC)
The Faculty of Social Sciences, University of Tromsų N-9037 Tromsų, NORWAY
Updated: March 16th 2004