Writing the statement of purpose for graduate school found at Claremont Graduate University's Writing Centre
Here's a local copy.
Berkeley's advice forWriting the Statement of Purpose. Here's a local copy.
The Princeton Review's advice on the Statement of Purpose. And the local copy can be found here.
Some Canadian content comes from UBC, where the terminology changes to "Statement of Interest. You can access a local copy here.
Cunningham's advice on
The Social Sciences and Humanities Research Council (SSHRC) Funding Search Tool.
SSHRC Doctoral Awards page. And just in case the website goes down, or . . . here's a copy.