| Label: | CBS 1827 |
| Genre: | Pop |
| Format: | Vinyl (7") |
| A | I Must Be Seeing Things | |
| B | Marianne » Written-By: Pitney |
| Label: | Stateside SS 390 |
| Genre: | Pop |
| Style: | Vocal |
| Format: | Vinyl (7" , 45 RPM) |
| A | I Must Be Seeing Things | |
| B | Save Your Love |
| Label: | Musicor Records MU 1070 |
| Genre: | Rock, Pop |
| Style: | Pop Rock |
| Format: | Vinyl (7" , 45 RPM) |
| A | I Must Be Seeing Things » Producer: Schroeder, Gold » Written-By: Kooper, Levine | 2:27 |
| B | Marianne » Producer: Geld, Udell » Written-By: Pitney | 2:35 |
| Label: | CBS 1.593 |
| Genre: | Pop |
| Style: | Vocal |
| Format: | Vinyl (7" , 45 RPM) |
| A | I Must Be Seeing Things » Arranged By [Orchestra]: Al Lorber | |
| B | Save Your Love » Arranged By [Orchestra]: Garry Sherman » Written-By: Gene Pitney |
| Label: | Stateside SE 1030 |
| Genre: | Jazz, Pop |
| Style: | Easy Listening |
| Format: | Vinyl (7" , 45 RPM , EP) |
| A1 | I Must Be Seeing Things | |
| A2 | I'm Gonna Find Myself A Girl | |
| B1 | I'm Gonna Be Strong | |
| B2 | It Hurts To Be In Love |
| Label: | Musicor Records MU 1070 |
| Genre: | Rock, Pop |
| Style: | Pop Rock |
| Format: | Vinyl (7" , 45 RPM , Promo) |
| A | I Must Be Seeing Things » Producer: Schroeder, Gold » Written-By: Kooper, Levine | 2:27 |
| B | Marianne » Producer: Geld, Udell » Written-By: Pitney | 2:35 |