Yat
Yat (Ѣ ѣ) is a letter used in old Slavic languages. Yat was a common Slavic long vowel. There was also kind known as Iotated Yat (Ꙓ ꙓ).
Yat Media
Pre-revolution typewriter with Yat on the bottom row, between Ч and С.
Cover of 1880 edition of Turgenev's Fathers and Sons, with yat in the title: дѣти is spelled дети.
An extract from the third edition of Dal's Explanatory Dictionary showing yat with diaeresis in the words звѣ̈здка and звѣ̈здочка (third line); in the modern orthography these are spelled as звёздка and звёздочка.
An antiques shop named with the pseudoarchaic orthography "антиквариатѣ" (current spelling : "антиквариат", pre-reform spelling : "антикваріатъ").
Nationalist take on the border between Serbian and Bulgarian that classifies all ekavian Bulgarian dialects as Serbian. By Aleksandar Belić (1914)
