The revised second edition added some colleges and removed others.

The edition added nearly 3,000 new words, senses, and phrases.

The edition added more than 2,000 new words, senses, and phrases.

The second edition, corrected by the authors, with some few things added.

The 2003 edition added new articles and further material to existing ones.

The second (German) edition of 1940 added those listed above as numbers 6 through to 12.

Teachers' editions and support materials add to the expense.

The 1996 edition changed the running order and added "Amoreena" as a bonus track.

This year's edition, which runs from Sept. 7 to 16, will add 300 titles or so to that figure.

This edition added the date that each landmark and historic district was designated.