Direction of Trade Statistics (IMF). Ref HF91 .I65m June 2012
International Trade Statistics Yearbook: Trade by Country. Ref HF 91 .U473 2010 v. 1
California County Projections 2010. Ref HC107 .C2 C268x 2010
Foreign Trade of the United States (including state & metro data). 1st edition. Ref HF3000 .F67 1999
California Retail Survey. Ref HF 5429.4 .C3 C35x 2010
2011 Northern California Business Directory and Buyers Guide. Ref HF5065 .C2 N67 2011
Encyclopedia of American Industries. Ref HC102 .E53 2008
US Dept. of Agriculture Statistic Yearly Statitical Reports - By commodity, including state breakdowns.
US Dept. of Commerce Economic Indicators - including US international trade indicators (Some State-specific information).
Dept. of Commerce Foreign Trade Statistics - Click on the Data tab for a link to state breakdowns
Bureau of Labor Import/Export Price Indexes
Import/Export Price Indexes- US trends by industry
Bureau of Labor Statistics: California - State and Local employment trends, by industry
California Dept. of Finance Statistical Abstract - See table of contents for relevant sections. Printed editions available in the Main collection call number HA261 .C3
Rand California - Business and Economics section allows you to set parameters and build tables on employment and Gross State Product (GSP) data.