Also, if you would like to add a project to these pages, please let us know. You can link to your digitisation projects and online digitisation policy from within your library's ALG entry via the 'Online services' update form. If you provide this link, these details are rendered searchable via the 'Advanced search' option. This information is of enormous help to Gateway users looking for libraries with collections in particular subject areas. The only expressions of concern we have received are regarding the accuracy of some of the levels which have been allocated to subjects by some libraries.
Older material is retained and systematically preserved to serve the needs of historical research.
A comprehensive level collection may serve as a national or international resource. Older material is retained and systematically preserved to serve the needs of historical research. The collection supports postgraduate and independent research and includes all major published source materials required. You will notice that if you select a 'Research' or 'Comprehensive' collecting level through the subject collecting level update form , a dialog box now appears asking whether you are sure you have selected the appropriate level. If you have used these subject levels to describe part of your collection, you might like to consider whether your collection does meet these criteria.