Source Data Reference for:
City = Leiden
Time = 1400
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Leiden | 1400 | 6,000 | Paul Bairoch | La population des villes europeennes de 800 a 1850 | |||
| Leiden | 1400 | 5,000 | Jan Lahmeyer | http://www.populstat.info/ | n/a |