Figures & data
Figure 1. Extract from the spreadsheet used to record survey findings.
Figure 2. Breakdown of content identified in items published prior to 1980.
- Choose new content alerts to be informed about new research of interest to you
- Easy remote access to your institution's subscriptions on any device, from any location
- Save your searches and schedule alerts to send you new results
- Export your search results into a .csv file to support your research