- Artist
- The Guess Who
- Title
- Undun
- Label
- RCA 74-0195
- Country
- US
- Released
- Unknown
- Format
- 7", 45 RPM, Promo
Other US pressings of Laughing / Undun
- 1969RCA Victor 74-01957", 45 RPM, Single, Stereo
- 1969RCA Victor 74-01957", 45 RPM, Single
- 1969RCA 74-01957", 45 RPM, Single, Promo, Stereo
- 1969RCA Victor 447-08347", 45 RPM, Single, Reissue
- 1969RCA Victor 74-01957", 45 RPM, Single
- 1969RCA Victor 74-01957", 45 RPM, Single
- 1969RCA Victor 74-01957", 45 RPM, Single, Stereo
- 1969RCA Victor 74-01957", 45 RPM, Single, Stereo
- 1969RCA Victor 74-01957", 45 RPM, Single
- 1986Collectables DPE1-10367", 45 RPM, Single, Reissue