The Center for Excellence in Writing encourages faculty to integrate writing into their curriculum in order to help students synthesize and transfer knowledge and get involved in the discourse of the discipline. Here are some resources.
From the Council of Writing Program Administrators, for faculty and students researching the teaching of Rhetoric and Composition. (CompPile)
to assist in readying students for research projects.
on responding to student writing and designing assignments that incorporate writing from the Harvard Writing Project.
A nice set of from the University of North Carolina at Richmond to support faculty in the creation of informal writing-to-learn activities and formal writing projects.
UNC Chapel hill has a for teachers incorporating writing into their curriculum:
for support for teachers seeking to integrate more writing into their curriculum from Colorado State's WAC clearinghouse.