Jobs/Internships sources
Companies that Hire International Students
Cooperative Center for Study Abroad (internships)
Council on International Educational Exchange (jobs and internships)
English Job Maze- ESL/EFL (jobs)
Euro Jobs (jobs and internships)
Inter Action- American Council for Voluntary International Action (jobs and internships)
InterExchange- Working Abroad (jobs and internships)
Jobs Abroad (jobs and internships)
Opportunities Abroad (jobs and internships)
Overseas Jobs (jobs)
Swiss Jobs (jobs)
Working Adventures Worldwide (jobs and internships)  

Information sources
American Institute for Foreign Study  
Association for International Practical Training
International Affairs Resources
Inter Study-Study Abroad