Christina , Some publishers supply information that you could harvest. For instance Cambridge University Press has a Data Shop that sends ONIX metadata. http://datashop.cambridge.org/ If a lot of the works are from a particular publisher something like this might help.
David Bigwood dbigw...@hou.usra.edu Regional Planetary Image Facility/Library Lunar and Planetary Institute https://www.facebook.com/RPIFN/
