This is a binding of the ZOOM Yaz client for Squeak and Pharo [1]. To install: 1) Download the compiled library (DLL or SO) from http://www.indexdata.dk/yaz/ and copy the yaz3.dll (or equivalent in Unix) to your Squeak directory. 2) Make sure you have installed FFI package in your image: 3) If you have Installer in your image doIt this: Installer ss project: 'Z3950'; install: 'Z3950'; install: 'Z3950Tests'. To use: Right now you must know the infamous PQF/PQN query syntax (I'm working on it). Connect to a Z39.50 server and make a query for records with author Foucault : Z3950Client new server: #Alameda; query: '@attr 1=1003 foucault'. or using a random server for Kant Z3950Client new query: '@attr 1=1003 kant'. Best regards Hernán [1] SqueakSource page link : http://www.squeaksource.com/Z3950.html