Bhagavad Gita As It Is

References to text BG 18.44
BG 18.44: Farming, cow protection and business are the natural work for the vaiśyas, and for the śūdras there are labor and service to others.

Text â„–
Refuting the Kazi’s statement, the Lord immediately replied, “The Vedas clearly enjoin that cows should not be killed. Therefore every Hindu, whoever he may be, avoids indulging in cow-killing.
The Pastimes of Lord Caitanya Mahaprabhu in His Youth
CC 1.17.159
“Please do not neglect him, thinking he belongs to a śūdra family engaged in material activities. It is my request that You meet him without fail.â€
The Lord Begins His Tour of South India
CC 2.7.63