Leodis.net - archive of local historical photos, produced and hosted by Leeds city council
Open Database Standard (Ian Ibbotson? what's this?)
http://www.wyjs.org.uk - West Yorkshire Joint Services - home of the West Yorkshire Archives services nowthen.org - West Yorkshire Archives initiative
Leeds Civic Trust
The Leeds Library
LMU & LU
BBC (for outreach, I have a mate who is a Learning Project Co-Ordinator, can put us in touch -jonxyz)
Private archives from, say, Harewood House, Lotherton Hall. This is probably a phase 3 (maybe 2) project, as will require services of a librarian.
i.e. text, discussion. Not images, maps. Giving context to historical documents.