Includes ii7, IV7, and their inversions.
Paula Maust, Expanding the Music Theory Canon: Predominant
Diverse Music Theory Examples: Tonic/Subdominant/Dominant, First Inversion Chords (I, IV, ii, V), Supertonic and the Submediant
Music By Women: Explore the Database (Click on the Chords & Harmonies Filter on the left and select Predominant Triads - ii and IV)