Uncommon 5E D&D Races — Dragonborn – Nerdarchy

Half Dragon player race (See Link in comment!) by Nielsdejong -- Fur Affinity [dot] net

Latest D&D playtest material lets you play something close to the Dragon half of Dungeons and Dragons

Exploiting Racial and Class Powers: Dragon Breath – Dungeon's Master

Tarrasqueborn Playable Race New Player Option for Dungeons & Dragons Fifth Edition – DMDave Publishing

Dungeons & Dragons' to change 'evil' races due to racial stereotypes - National

Faerie Dragon (5e Race) - D&D Wiki

Gria (5e Race), Blackbando's Homebrew Wiki

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Playable DnD Races In The Grey Dragon World 5e

Chimeran (5e Race) - D&D Wiki