CALENDAR: Gregorian (all); MAIN RECORD: languages used: Azerbaijani (from 1918), Russian (1922-1956); scripts: Azerbaijani - original (others used between 1918 and 1991 are replaced with current), Russian - original; TRANSLITERATION: Azerbaijani - n/a, Russian GOST-1983 (1922-1956 in parentheses); OTHER: Russian (from 1956 in glossary), English equivalents (glossary)