Sites like Azbyka.ru and Pravoslavie.ru often host free, legal PDF versions of classic theological and technical texts on iconography.
A comprehensive overview based on the British Museum's collection, covering the development of iconography across different nations and eras . ikonopis kniga skachat
These are the "gold standard" for those looking to understand the actual craft—from preparing the board to applying gold leaf. Sites like Azbyka
If you want to "read" an icon—understanding its symbols and theological meaning—these are the best starting points: If you want to "read" an icon—understanding its
A highly visual guide that breaks down the layered process of tempera painting. History & Art Theory
The Art Shoc collection on VK is a well-known repository for rare and out-of-print art books in PDF format.
A modern, accessible guide on how to read Russian icons , explaining the geometry and symbols used by painters.