[MSDN Library April 2000] IColumns (79.1111111111111%)

MSDN Library - April 2000 > Platform SDK > Web Services > Site Server SDK > Search > Programmer's Guide > Interface Overview

[MSDN Library April 2000] IColumns Interface (33.7979797979798%)

MSDN Library - April 2000 > Platform SDK > Web Services > Site Server SDK > Search > Programmer's Reference > Interfaces > IColumns