- geomerid.com en/place/catherine-palace-st.…
- discoverwalks.com blog/russia/top-10-facts-about-…
- istockphoto.com tr/fotoğraflar/katerina-sarayı
- breakmystyle.com catherine-palace-st-petersburg/
- http://worldwalk.info en/catalog/288
- wikijtr.icu wiki/Catherine_Palace
- everydayliving.me 2015/01/26/catherine/
- tr.advisor.travel poi/Katerina-Sarayi-1383
- russiatrek.org blog/art/the-catherine-palace-a-…