Team Fortress Classic Playermodels for garry's mod file - Half-Life: Source Enhanced mod for Half-Life: Source - ModDB

Team Fortress Classic mod for Half-Life - ModDB

Steam Workshop::Half Life 1 // Third person

Team Fortress Classic: Source - Ported TFC GoldSRC Animation's To Source Engine

Half-Life: Source, HL:S

How to make an automatic turret in Garry's Mod - Quora

VPK File Creator/Extractor/Viewer & How to make mods for Source Engine games (CSGO, Dota 2, L4D2 PC)

Team Fortress SWEPs file - Garrys Mod for Half-Life 2 - ModDB

Half-Life: Source, HL:S

Team Fortress Classic Player Models for HLDM [Half-Life] [Mods]

Half-Life High Definition Pack, Half-Life Wiki

What games are required to run Garry's Mod? - Quora