The governmental texts labelled 'Party platforms and election
manifestos' in the Swedish Diachronic Corpus are retrieved from
Språkbanken's collection 'Svenska partiprogram och valmanifest',
containing party platforms and election manifestos for the Swedish
political parties, from the time period 1887--2010
(https://spraakbanken.gu.se/resurser/vivill).


If you want to know more about the Swedish Diachronic Corpus, the
following SweClarin reports may be of interest: 

SCR-03-2019
Towards a Swedish diachronic corpus: Intended content, structure and format of version 1.0
Eva Pettersson & Lars Borin
url: https://sweclarin.se/sites/sweclarin.se/files/outline-swedish-corpus.pdf

SCR-02-2019
Swedish diachronic texts: Resources and user needs to consider in a Swedish diachronic corpus
Eva Pettersson & Lars Borin
url: https://sweclarin.se/sites/sweclarin.se/files/swedish-historical-texts_3.pdf

SCR-01-2019
Characteristics of diachronic and historical corpora: Features to consider in a Swedish diachronic corpus
Eva Pettersson & Lars Borin
url: https://sweclarin.se/sites/sweclarin.se/files/diachronic-corpora-sweclarin-v3.pdf