| LC control no. | sh2021003951 |
|---|---|
| Geographic heading | Hammershus (Denmark) |
| Geographic subdivision usage | Denmark--Hammershus |
| See also | Fortification--Denmark |
| Found in | Work cat: Hammershus, 2019: p. 9 (Fortress, now a ruin, on the island of Bornholm in Denmark. Built between 1149 and 1259) Geonet May 11, 2021: (Hammershus, Denmark; variant Hammershus Ruin; Ruin, 55° 16' 16" N, 014° 45' 20" E) |
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