This image is a derivative work of the following images: File:HSX_Millingen_1912_fig_102.jpg licensed with Cc-pd-mark-footer, PD-old 2006-01-19T12:44:21Z...
Constantinople/Istanbul. Plan by Millingen 1912, fig. 102. Derivative works of this file: HSX Millingen 1912 fig 102.svg https://creativecommons.org/publicdomain/mark/1...