| Source | Type | Notes | | :--- | :--- | :--- | | | Free (where legal) | Only for public domain editions. Some pre-1970 Soviet prints are available in the US but use caution. | | Amazon / Sheet Music Plus | Paid ($12–20) | Search for “Russian School of Piano Playing Book 1” – often sold as a single volume containing Parts 1, 2, and 3. | | Musica Russica | Paid ($15–25) | High-quality reprint authorized for North America. | | Library Genesis (LibGen) | Grey area | Contains scanned copies, but legality varies by country. Often lower quality. |