License, verbatimPD
TIB - Leibniz Information Centre for Science and Technology and University Library, via Europeana: image published under Public Domain Mark 1.0 (http://creativecommons.org/publicdomain/mark/1.0/). Rights statement as supplied by the contributing institution to Europeana.
https://d-nb.info/gnd/104071575. Entwurf eines Gutshauses für "Mons. Adolph v. Engeström" (Åland-Österby), Aufriss. Europeana (aggregator, 4,000+ institutions).