Developers of this search interface:
Aleksi Vesanto (avjves@utu.fi)
Filip Ginter
Hannu Salmi
Asko Nivala
Reetta Sippola
Heli Rantala
Petri Paju

The search interface is running a modified version of Blacklight.
(https://github.com/projectblacklight/blacklight)

The back-end searching and querying is done by Solr.
(http://lucene.apache.org/solr/)

Produced by the research consortium Computational History and the Transformation of Public Discourse in Finland, 1640–1910, funded by the Academy of Finland programme on Digital Humanities, 2016–2019. Special thanks to the data provider, The National Library of Finland.