Topic multicol
more than one column on the page
Adjusting margins for multicolumn and single column output
Balanced two-column mode
Balance double-column sections in LaTeX
Mixing onecolumn and twocolumn modes
Double-column page macros for Plain TeX
Balancing columns at last page
Control of the page grid
Intermix single and multiple columns
Put successive paragraphs in different columns
Three-column newsletter output
LaTeX output in three columns
Knuth's two-column output macros
Variable-width multiple text columns