Children of the Dragon, the sequel to Half Dragon Player Race (see link for full 67 pages work) : r/UnearthedArcana

D&D 5E languages explained: Every language in 5E

New D&D book includes more than 30 playable races - Polygon

Dragonfolk (5e Race) - D&D Wiki

CROSS PLANES: D&D In Space: Half-Dragon Race for Dungeons & Dragons 5th Edition

A Veritable Hoard of Homebrew — The Children of Io were a type of variant

Dungeons & Dragons' To Remove Term 'Race' From Game Lexicon Due To Its Prejudiced Links Between Real World And Fantasy Peoples - Bounding Into Comics

Playable Interracial Character Races — Dump Stat Adventures

The Tiefling Race for Dungeons & Dragons (D&D) Fifth Edition (5e) - D&D Beyond

Races in Dungeons and Dragons - Dungeon Heaven

The 10 best races in DnD 5E - Dot Esports