- www.imo.org – IMO (International Maritime Organization)
- www.sur.ru – SUR – Seafarers’ Union of Russia
- www.surpr.ru – SUR, Branch in Kaliningrad
- www.ilo.org – ILO (International Labor Organization)
- www.mintrans.ru – Ministry of Transport of the Russian Federation
- www.equasis.org – Ships’ database
- www.rs-class.org/ru – RS (Russian Maritime Register of Shipping)
- www.bgarf.ru – Baltic State Marine Academy (Kaliningrad, Russia)
- kmrk.ru – Kaliningrad Marine College
- www.who.int – WHO ( World Health Organization)