Fluegel, Maurice. The Zend-Avesta and Eastern Religions. Comparative Legislation, Doctrines, and Rites of Parseeism, Brahmanism, and Buddhism; Bearing upon Bible, Talmud, Gospel, Koran, Their Messiah-ideals and Social Problems. Baltimore: H. Fluegel, 1898. iii, 244 p.
Fluegel, Maurice. The Messiah-Ideal. Comparative Religious Legislations, Doctrines and Forms unfolding that Ideal. Baltimore: Press of T. Kroh & Sons, 1896. 2 vols.
Fluegel, Maurice. Spirit of the Biblical Legislation, in Parallel with Talmud, Moralists, Casuists, New Testament, Ancient and Modern Law; Especially the Social and Political Institutions. Baltimore: Sun Book and Job Printing Office, 1893. vi, 248 p.
Fluegel, Maurice. Israel, the Biblical People. Israel, Past, Present and Future; Battling for Mankind and Civilization; Against Anti-Semitism and Its Real Issues. Baltimore: H. Fluegel, 1899. iv, 340, [5] p.
Fluegel, Maurice. Gedanken über religiöse Bräuche und Anschauungen. Der Parsismus und die biblischen Religionen. Ein Beitrag zur Kulturgeschichte des Morgen= und des Abendlandes. Cincinnati: Druck der Bloch Publishing & Printing Co., [preface 1888]. 100 p.
Fluegel, Maurice. Die mosaische Diät und Hygiene. Vom physiologischen und ethischen Standpunkte, und deren Resultat auf Körper und Geist. Vortrag, gehalten am 27. Mai 1881, in Tempel der Gemeinde “B’nai Israel,” zu Kalamazoo, Mich. [Cincinnati]: Bloch & Co., [1881]. 23 p.