Complex sentence: His edition of the Masoretic Bible was published in cooperation Delitzsch beginning with an edition of the Psalms in 1861 (Leipsic, Doerfling und Franke) and a second edition was published a few years later (Leipsic, Brockhaus).
Split into simpler sentences: His edition of the Masoretic Bible was published in cooperation with Delitzsch. A second edition was published a few years later (Leipsic, Brockhaus).