Here’s a Rudolph Dirks Katzenjammer Kids strip I scanned from 1902.
Go here to see more Katzenjammer Kids strips on this site.
Click the image to view the full strip.
Here’s what Don Markstein’s Toonopedia has to say about the Katzenjammers.
Click here to go to the Barnacle Press collection of Katzenjammer Kids strips.
Read about the Katzenjammer Kids on Wikipedia.
Click here to the Toonopedia entry on the Katzenjammer Kids.