Many human- and weapon sounds can be found inside ‘oq-pak-src-2004.08.01.zip’ at https://sourceforge.net/projects/openquartz/files/Open%20Quartz%20game%20content/
These sounds are from Open Quartz ([Open Quartz download | SourceForge.net] (Open Quartz download | SourceForge.net)) project and can be used without restriction 
Excellent find. How did you come across this?
Thank you
Found it while browsing the quake wiki (https://quakewiki.org/wiki/Main_Page )
Ps forgot to post sound.txt:
Sounds from pOx’s Paroxysm mod:
Video Game News, Reviews, and Walkthroughs - IGN
pox@planetquake.com
These sounds can be used without restriction
ambience/brikhit2.wav
ambience/brik_hit.wav
ambience/distex.wav
ambience/glassbrk.wav
ambience/hdrone.wav
ambience/hdrone1.wav
ambience/met1.wav
ambience/met2.wav
ambience/metbrk.wav
ambience/methit1.wav
ambience/methit2.wav
ambience/regen1.wav
ambience/sqeak2.wav
ambience/squeak1.wav
ambience/wall01.wav
ambience/woodbrk.wav
ambience/woodhit1.wav
ambience/woodhit2.wav
ambience/wpump1.wav
doors/ddoor1.wav
doors/ddoor2.wav
doors/hydro1.wav
doors/hydro2.wav
doors/stndr1.wav
doors/stndr2.wav
items/health1.wav
items/sheild1.wav
items/sheild2.wav
items/sheild3.wav
misc/drip1.wav
misc/drip2.wav
misc/drip3.wav
misc/foot1.wav
misc/foot2.wav
misc/foot3.wav
misc/foot4.wav
misc/inh2ob.wav
misc/menu1.wav
misc/menu2.wav
misc/menu3.wav
misc/outwater.wav
misc/owater2.wav
misc/quake.wav
misc/quakeend.wav
misc/rain.wav
misc/r_tele1.wav
misc/r_tele2.wav
misc/spark1.wav
misc/spark2.wav
misc/spark3.wav
misc/spark4.wav
misc/talk.wav
misc/uwater.wav
nar/n_elim.wav
weapons/armed.wav
weapons/bounce.wav
weapons/bounce2.wav
weapons/error.wav
weapons/gren.wav
weapons/gren2.wav
weapons/hog.wav
weapons/lock4.wav
weapons/mfire1.wav
weapons/mfire2.wav
weapons/minedet.wav
weapons/mplasex.wav
weapons/mplasma.wav
weapons/pkup.wav
weapons/plasma.wav
weapons/rhino.wav
weapons/rhinore.wav
weapons/r_exp3.wav
weapons/sawatck.wav
weapons/sawguts.wav
weapons/sawhit.wav
weapons/sawidle.wav
weapons/sawoff.wav
weapons/sawon.wav
weapons/shotgn2.wav
weapons/shrapdet.wav
weapons/tink2.wav
weapons/ts3fire.wav
weapons/tsfire.wav
weapons/tsload.wav
Other sounds based on p0x’s sounds:
weapons/guncock.wav = weapons/shotgn2.wav
weapons/rocket1i.wav = weapons/shotgn2.wav at double speed
weapons/spike2.wav = weapons/shotgn2.wav at double speed
Ali Jackson’s sounds
Copyright 2001 Ali Jackson
alister667@hotmail.com
These sounds can be used without restriction
ambience/water1.wav
ambience/wind2.wav
hknight/hit.wav
items/armor1.wav
items/damage3.wav
items/itembk2.wav
misc/h2ohit1.wav
misc/power.wav
misc/r_tele3.wav
misc/r_tele4.wav
misc/r_tele5.wav
misc/water1.wav
misc/water2.wav
player/udeath.wav
player/axhit1.wav
player/teledth1.wav
player/slimbrn2.wav
player/plyrjmp8.wav
player/pain6.wav
player/pain5.wav
player/pain4.wav
player/pain3.wav
player/pain2.wav
player/pain1.wav
player/lburn2.wav
player/lburn1.wav
player/land2.wav
player/land.wav
player/inlava.wav
player/inh2o.wav
player/h2ojump.wav
player/h2odeath.wav
player/gib.wav
player/gasp2.wav
player/gasp1.wav
player/drown2.wav
player/drown1.wav
player/death5.wav
player/death4.wav
player/death3.wav
player/death2.wav
player/death1.wav
player/axhit2.wav
player/tornoff2.wav
weapons/axe1.wav