Data

"Population des villes des tiers mondes de 1500 à 1950" by Dr. Gilbert Eggimann

I had considerable difficulty in finding this reference, eventually resorting to archive.org. The data used to be available at Population des villes des tiers mondes de 1500 à 1950 but that site often fails to load. Here is a copy of the data in CSV format.

1831, 1881, 1914 Ottoman census summary data

Email me for access to a digitizisation of Karpat's Ottoman Population 1830-1914