Architectura et perspectiua des fortifications & artifices (1602)
Perret, Jacques, writer on architecture · A Francfort sur le Mein : Mis en lumiere par la vefue & les deux fils de Theodore de Bry, imprimè par W. Richter aux despens desdicts de Bry · leaf 97
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Architecture · Military architecture
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Aedificiorum et ruinarum Romae ex antiquis atque hodiernis monimentis liber primus[-seco[n]dus] (1649)](https://img.insideoutlibrary.com/img/200/ia-aedificiorumetru00magg-88-91.webp)
![An illustration from [Collection of German architectural engravings] (1722)](https://img.insideoutlibrary.com/img/200/ia-collectionofgerm00unse-56-114.webp)
