The Reference Guide to Data Sources. Julia Bauder. Chicago, Illinois: ALA Editions, 2014. Also available online. Information about statistical resources both U.S. and international arranged in broad categories.
Research Guides: How to Find Data & Statistics. (Michigan State University. MSU Libraries) Search stragies and key resources to help find data and statistical information.
Statistics: Finding Data and Statistics. (University of Chicago. Loyola.) Overview on how to go about locating data and statistics.