Country Fever....(1967)
(also on:  I Shall Be Unreleased)
Walkin' Down The Line

She Belongs To Me....(see picture sleeves HERE)
(also on:  20th Century Masters: A Tribute to Bob Dylan)
U.S. chart #33, the 45 stayed in print for several years, as evidenced by this '80s era reissue on MCA (center).   Included on many compilations, for example:
The Best of Rick Nelson: The Millenium Collection
(200x - CD compilation)

In Concert....(1969 - Live)
She Belongs To Me
If You Gotta Go, Go Now
I Shall Be Released
If You Gotta Go, Go Now -b/w- I Shall Be Released  issued as a single (right)

Rudy The Fifth....(1971)
Love Minus Zero/No Limit
Just Like A Woman

Stay Young: The Epic Recordings....(recorded 1978, released 1993)
Mama, You've Been On My Mind

Live At The Aladdin....(recorded 1979, released 1991 - Live)
She Belongs To Me

For You: The Decca Years 1963-1969....(2008 boxset)
Tonight I'll Be Staying Here With You....(1969 Live - prev. unreleased)
from same show as “In Concert” LP
Box also contains Rick's other 1963-69 covers for Decca