Missale Romanum Glagolitice
Missale Romanum Glagolitice (Croatian: Misal po zakonu rimskoga dvora, Ⱞⰹⱄⰰⰾⱏ ⱂⱁ ⰸⰰⰽⱁⱀⱆ ⱃⰹⰿⱄⰽⱁⰳⰰ ⰴⰲⱁⱃⰰ) is a Croatian missal and incunabulum printed in 1483. It is written in Glagolitic script and is the first printed Croatian book.
Source: Wikipedia — Missale Romanum Glagolitice (CC BY-SA 4.0)