- ↑ Walter Jahn: History of the Sigmund-Freud-Gymnasium , Vienna 2005.
- archnet.org sites/345
- wikimapia.org 9286595/Liceul-Teoretic-Natalia-…
- upoznajzajecar.rs locations/gymnasium-building-…
- worldhistory.org Gymnasium/
- poshyk.info en/zdanie-muzhskoi-gimnazii-mstislavl/
- kingmanhistoricdistrict.com buildings/gymnasium/…
- johndabell.com 2018/07/21/schools-of-the-world-5/
- edu.gov.az en/printpage/20588