- Baltic Sea Ice Code (BSIC)
- International Station Network for Ice Reports in BSIC
- Tabular form of national fairway sections and areas
- Geographical distribution of fairway sections and areas
- Baltic terms I PDF in English, Dutch, German, Norwegian, Polish and Russian
- Baltic terms II PDF in English, Danish, Estonian, Finnish, Latvian and Swedish
- WMO Nomenclature I, terms and description, many languages
- WMO Nomenclature II, PDF, fewer languages but with annotated glossary and description of sea ice symbols