Since 1985 ASAP, Austehc and the ESRC have engaged in hundreds of projects documenting science-based archival collections of national significance including the records of Nobel Prize winners. In addition research was undertaken to document the context in which these collections are situated, enhancing discoverability and interpretation. The ESRC is the custodian of the resulting data which includes rich descriptive metadata, imaged photographs and records and citations to published literature. More recently the scope of the collection has expanded to include projects of national historical significance and public knowledge resources to support child and family welfare in particular the Forgotten Australians and Former Child Migrants and the work of the Royal Commission into Institutional Responses to Child Sexual Abuse. Within the collection the data sets are grouped by project. The collection as a whole is unique and is not duplicated anywhere else in its entirety. Selected data from some projects is shared with other discovery services such as Trove to enhance findability and engagement with potential user communities.