This site contains information (my own and links to other sites) on the Polish Club and related bidding systems. Write to me (contact) if you know of sites I have missed (or have other comments about this site.) It will be updated as I find more sites or my current thinking changes (how annoying for partner! :).
Polish Club as we play it (pdf - last updated December 24, 2008.)
Power System Notes (Last updated December 26, 1996.)
Brydz Magazine "Polish Club 95" Writeup (from UseNet - December, 1998.)
An Unassuming Club -- Don Varvel's excellent writeup of a Polish Club-like system. (Link updated 11/20/2001)
Polish System Documents -- included within a large repository of system notes.