Volume I collects works published from 1900 to 1908.

Volume 2 (Aug 2004) collects strips from 1935 and 1936.

Volume 4 (Oct 2005) collects strips printed between 1938 and 1940.

The volumes collect episodes from several different Nickelodeon series.

Volume II collects works published from 1909 to 1917.

Several volumes collected only cartoons from the magazine.

The second volume collected issues 7-12 and followed months later, but Century Comics went out of business before it could publish the final two volumes.

Volume IV collects works published from 1933 to 1941.

This volume collects two short stories in the Mushroom Planet series, but is very rarely mentioned.

(This volume collects much of his poetry dating back to the 1890s.)