The castellated and domestic architecture of Scotland, from the twelfth to the eighteenth century (1887)
MacGibbon, David, d. 1902, Ross, Thomas, 1839-1930 · Edinburgh : D. Douglas · leaf 417
thirteenth-century mode of fortification, when each tower formed aseparate post, and had to be besieged independently. Thus, if one of THIRD PERIOD — 398 RUTHVEN CASTLE … RUTHVEN CASTLE 399 THIRD PERIOD
Architecture · Architecture, Domestic · Castles
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