Mordecai M. Kaplan jubilee volume: on the occasion of his seventieth birthday - Kaplan, Mordecai M. (1953)
Festschrift Mordecai M. Kaplan. - Hebr. Sektion u.d.T.: Sēfer hay-yôvēl li-ḵevôd Mordeḵay Menaḥēm Qaplan