C Sharp - gusenov/kb GitHub Wiki
- freeCodeCamp.org
- Дорожная карта: от Middle C# developer до Senior C#
- Хабр / Как на C# написать программу в одно выражение?
- C# 10 Quick Syntax Reference. A Pocket Guide to the Language, APIs, and Library by Mikael Olsson - 196 pages
- C# 10 Pocket Reference. Instant Help for C# 10 Programmers by Joseph Albahari and Ben Albahari - 228 pages
- C# 10 in a Nutshell. The Definitive Reference by Joseph Albahari - 1116 pages