What has the author Otto Jastrow written?

You are likely referring to Morris A. Jastrow (1861-1935), an American Assyriologist and professor of Semitic Languages at the University of Pennsylvania. He is known for his work on the history and religion of ancient Mesopotamia.

Here are some of his notable writings:

* "The Religion of Babylonia and Assyria" (1898): A groundbreaking work that provided a comprehensive analysis of Mesopotamian religious beliefs and practices. It is still considered a valuable resource for scholars today.

* "Hebrew and Babylonian Talmud: An Introduction" (1914): This book explores the origins and development of the Talmud, a collection of rabbinic teachings on Jewish law and tradition.

* "A Fragment of the Babylonian Talmud" (1919): A translation and commentary on a portion of the Babylonian Talmud.

* "The Civilization of Babylonia and Assyria: Its Remains, Language, History, Religion, Commerce, Law, Literature, Arts, and Customs" (1915): A comprehensive overview of Mesopotamian civilization.

* "The Story of Human Progress" (1926): A popular account of human history and civilization, focusing on the role of science and technology.

These are just a few of the many works written by Morris Jastrow. His research and writing contributed significantly to our understanding of ancient Mesopotamia and its influence on later cultures.