- Indices Zu Meiner Classified List
- Al-Juz' al-hadi wa-al-'ishrun min Kitab al-aghani
- A Classified List of all Simple and Compound Cuneiform Ideographs: Occurring in the Texts Hitherto Published, With Their Assyro-Babylonian Equivalents, Phonetic Values, Etc
- Chrestomathy of Classical Arabic Prose Literature (Porta Linguarum Orientalium)
- Chrestomathie Aus Arabischen Prosaschriftstellern: Im Anschluss an Socin's Arabische Grammatik