Heywood C. The activities of the State Cannon-Foundry (Ṭōpẖāne-i’āmire) at Istanbul in the early sixteenth century according to an unpublished Turkish source. POF [Internet]. 2017 Jun. 20 [cited 2024 May 1];30(30):209-17. Available from: https://pof.ois.unsa.ba/index.php/pof/article/view/547