A selection of product user guides and marketing material http://alexanderstreet.com/support-center/resources
EBSCO provide a wide range of support tutorials (http://support.ebsco.com/training/tutorials.php) on all facets of their EBSCOHost search interface. Including:
Introduction to EBSCOHost
For further guides take a look at the EBSCO Publishing Youtube channel.
Oxford University Press Training Resource Centre (http://www.oup.com/uk/academic/online/librarians/training/): fact sheets, user guides, training notes and an archive of recorded training webinar presentations.