SPSS The Statistical Package for the Social Sciences, commonly known as SPSS...
Developed in the United States by social scientists, it provides a range of facilities, including tabulation, multivariate analysis, and virtually all the tests of statistical significance appropriate for sample survey data.
"SPSS" A Dictionary of Sociology. John Scott and Gordon Marshall. Oxford University Press 2009. Oxford Reference Online. Oxford University Press. Marquette University. 16 March 2009
Below are links to subject searches in MARQCAT.
IBM also publishes a book on it:
And there are several e-books and videos in the Safari database all on various aspects of using SPSS ...