Journal Citation Reports 2010 Science and Social Sciences Editions are now available.
“The 2010 release features the largest ever JCR with 10,196 journal listings in 238 disciplines of Science and Social Sciences. 2,494 publishers from 84 countries are represented, some for the first time. A total of 1,075 journals receive their first Journal Impact Factor in the latest JCR release.” — Thomson Reuters press release
Deirdre