Ancient Iraq witnessed the emergence of some of the earliest human civilizations, which contributed significantly to laying the foundations of knowledge, writing, and administrative organization. With the development of economic, religious, and political life, the need to preserve and document information became increasingly important, leading to the establishment of libraries and archives as institutions dedicated to collecting, organizing, and safeguarding records. These libraries represented important scientific and cultural centers that facilitated the transmission of knowledge and experience across generations and preserved a substantial part of the Mesopotamian cultural heritage. Archaeological excavations have revealed the existence of libraries from early periods in the history of ancient Iraq. Large collections of clay tablets were discovered in Sumerian cities, particularly in Nippur, Ur, and Uruk, where libraries were associated with temples and educational institutions responsible for preserving texts and documents. The libraries of Nippur are considered among the oldest known libraries in ancient Iraq, containing religious, literary, and educational texts dating back to the third millennium BC. However, the most famous and significant library of ancient Iraq was the Library of King Ashurbanipal in Nineveh, dating to the seventh century BC. It contained thousands of clay tablets covering diverse subjects, including literature, history, medicine, astronomy, mathematics, and law, making it the largest and richest library known in Mesopotamia in terms of scientific and cultural content. These institutions played a crucial role in documenting various aspects of daily life and served as centers of learning, education, and the training of scribes. The libraries contained a wide range of texts, including official correspondence, economic records, legal documents, literary works, and religious texts, making them an essential source for preserving cultural heritage and transmitting it to subsequent generations. The inhabitants of ancient Iraq relied primarily on clay tablets as the main medium for writing and documentation. These tablets were made from clay and then either dried under the sun or fired in kilns to achieve a hardness that enabled them to survive for long periods. The archiving process was carried out according to a well-organized system designed to facilitate the preservation and retrieval of texts. Tablets were classified according to their subject matter, such as administrative, religious, literary, or economic texts, and were then arranged in special rooms or storage areas within temples and palaces. The title or subject of a text was often inscribed at the end or along the edge of the tablet to facilitate identification. In the case of lengthy texts consisting of several tablets, scribes added serial numbers and references to the following tablet to ensure the preservation of the correct sequence of the complete text. Special lists and catalogs were also used to record the contents of libraries and indicate the locations of tablets, representing an early form of cataloging and archival practices comparable to those used today. These organizational methods enabled the preservation of vast quantities of documents and texts and facilitated their retrieval whenever needed, reflecting an advanced level of administrative and intellectual organization in the civilizations of ancient Iraq. The methods employed in organizing and archiving clay tablets demonstrate an early awareness of the importance of knowledge and the necessity of preserving it. Consequently, these libraries stand among the most remarkable achievements of ancient civilizations, leaving a profound impact on the history of human culture and contributing to the transmission of the knowledge of ancient Iraq to the modern world. #AlMustaqbal_University_First_Among_Private_Universities_in_Iraq