Some old non-allegorical commentaries on Shir HaShirim:
- Rashbam's commentary (translation) isseparates the allegorical and non-allegorical comments.
- R' Avraham ibn Ezra wrote his commentary in three levels: one lexical, one non-allegorical, and one allegorical.
- There are two anonymous commentaries here given under the headings פירוש מחכמי צרפת that are non-allegorical.
- There is a commentary attributed to R' Yosef Kara here that is mostly non-allegorical.