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Keywords from Image Description:
Siege works used during the siege of Grol in . en The siege works that were used during the siege of Grol Groenlo in Nederlandtsche jaergboeken en historien sedert tot Met de belegering der stadt Grol en den aenkleven des jaers Hugo de Groot Goris PDold Fortifications Siege of Groenlo thcentury fortress plans Fortifications