For a list, see here
The Crucifixion has been recorded several times. Pictured is 1991, Conifer Records, Class 7074. John Scott was organist of St Pauls, following in the footsteps of Sir John.
Also, search Youtube for Stainer. Here is God So Loved the World to get you started.
The Durham recording is a 2CD set, made in 2011 by the chapel choirs of Durham University where Sir John had a connection. Click here and search for Stainer CD. Contents below.