Youth

Illustrations from Jugend (1896 to 1940). I've found the most convenient way to navigate is to (after selecting a year), click on the title page and then select the 'Vorschau' tab. You'll then be presented with every page from that issue as a clickable thumbnail.

American History

Most of these pictures are from the April 2007 - Graphics in Nineteenth-Century America issue of Common Place. There are some great articles too. I found the site whilst researching this question at Ask Metafilter.

Carry On Urania

Little known fact: There are 15,000+ covers posted at MondoUrania. 15 of them feature people (and an unidentified ape) being carried. Careful clicking around there if you're at work - there are a lot of naked and bikini-clad women in space.

Godey's

"Redeeming woman from her inferior position and placing her side by side with man, a help-mate for him in all his pursuits". Link… & Link…

San'at

There are some interesting articles to be found at the archives of a quarterly magazine published by the Academy of Arts of Uzbekistan. Link…