Файл:Flag of Leiden.svgDescriptionFlag of Leiden.svg English: Flag of Leiden Nederlands: Vlag van Leiden Date 21 January 2009 Source SVG is own work Author John-c Permission
Файл:Flag Leiden.gifImage shows: The flag of the Dutch municipality of Leiden - Source: I made it myself. https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons
Файл:Leiden vlag.svgDescriptionLeiden vlag.svg English: Flag of Leiden Nederlands: Vlag van Leiden Date 2019 Source Based on flag as seen on Holland in Pixels, SVG is own work
Файл:Leiden vlag verticaal.svgDescriptionLeiden vlag verticaal.svg English: Flag of Leiden Nederlands: Vlag van Leiden Date 2019 Source Based on flag as seen on Holland in Pixels, SVG is own