label-pln – Print address labels in three columns
Input may be a set of labels in-line in a document, or a file of labels.
Maybe you are interested in the following packages as well.
- labelmac3: Print Avery 5160 labels for laser printers
- knuth-letter: Knuth's example letter macros
- twoside: Two-side typesetting in Plain TeX
- labels: Print sheets of sticky labels