- guidelinestobritain.com churches-cathedrals/…
- http://brnoinfo.com st-peter-paul-cathedral/
- mirplaneta.com Belarus St. Sophia Cathedral in Polotsk
- artincontext.org st-pauls-cathedral-london/
- discoverwalks.com blog/london/top-10-facts-about-…
- kids.kiddle.co St_Paul's_Cathedral
- historyhit.com locations/st-pauls-cathedral/
- instagram.com stpaulscathedrallondon/
- visitkrakow.com st-peter-pauls-church-krakow/
- stpauls.co.uk our-timeline