Canadian Newsstream - Canadian English daily newspapers, including the Globe & Mail, Montreal Gazette, Toronto Star, National Post and many regional and local papers.
Eureka.cc - Canadian/Quebec newspapers and magazines in French and English, includes La Presse, Le Devoir, and L'Actualité.
US Newsstream - Major US daily newspapers, including The New York Times, Washington Post, Wall street journal, Chicago Tribune, Chicago Sun Times, Boston Globe, LA Times, USA Today and many more regional and local newspapers.
POLTEXT - collection of textual data sources used for policy analysis in Canada (ULaval) English & French
Political Database of the Americas centralized information about institutions, political processes, national constitutions, branches of government, elections, political constitutional studies of the Americas (Georgetown University)