1.  
combining tests for correlation coefficients
Chine P H
JSTOR: The American Statistician, Vol. 43, No. 4 (Nov., 1989), pp. 211-215
http://www.jstor.org/pss/2685363


2.   
combining probability distributions from independent information sources
R L Winkler,  
JSTOR: Management Science, Vol. 27, No. 4 (Apr., 1981), pp. 479-488
http://www.jstor.org/pss/2631338


3.
combining independent tests in linear models
L Zhou
JSTOR: Journal of the American Statistical Association, Vol. 88, No. 422 (Jun., 1993), pp. 650-655
http://www.jstor.org/pss/2290347