First recorded by Don Cherry (1962).
Also recorded by J.D. Loudermilk, writer (1967).
Hit versions by The Casinos (US #6/UK #28/CAN #57 1967), Eddy Arnold (C&W #1 1968), Glen Campbell (recorded as “Don’t Pull Your Love/Then You Can Tell Me Goodbye” US #27/MOR #1/C&W #4 1976), Neal McCoy (C&W #4 1996).
From the wiki: “‘Then You Can Tell Me Goodbye’ was written by John D. Loudermilk (‘Indian Reservation‘, ‘Tobacco Road‘). It was first released in 1962 by Don Cherry, as a country song, without any chart impact.
“In 1967, ‘Then You Can Tell Me Goodbye’ was recorded in a doo-wop style by the pop vocal group The Casinos. Their arrangement became a US Top-10 and a UK Top-30 hit. Country crooner Eddy Arnold, in 1968, returned the song to the Country Singles chart with his #1 arrangement.