The Real Book has
Fm7b5 - Bb7 at bars 10 and 26 (instead of Db7) in the key of Eb.
This is iiØ - V.
The Real Book has
Gm7-C7 at bar 28.
This is iii-VIx (given chords are Am7 - D7). Errata, or later editions, may have Am7 - D7.
The Real Book has D7 as the second chord in bar 29.
This is just a tritone sub away from the given chord (Ab).