SPSS Official Manuals
SPSS for Students (University of Wisconsin)
Resources to help you learn and use SPSS (UCLA)
SPSS Frequently Asked Questions (UCLA)
Data analysis in SPSS, STATA, SAS, and R
SPSS tutorial on Lynda.com is available free, on-site at NYPL SIBL next to the Grad Center.
10-part series on SPSS from University of Minnesota for free on iTunes.
SPSS Video Tutor
SPSS for Starters
Quantitative and Statistical Research Methods
Quantitative Data Analysis Using SPSS