The document presents a survey of unique and distinct collections held by CONUL, detailing contributions from 12 libraries and 20 participants between June 2014 and May 2016. It highlights the vast collections, which include over 10 million items spanning various categories such as literature, cultural heritage, and science, and emphasizes the need for collaborative preservation efforts. The document advocates for further identification of project collaborations, risk reduction for collection preservation, and improved access to these valuable resources.