Illustration Magazine: Great Resource and Inspiration
Covers of Illustration magazine. Their website has 28 complete issues available in digital format. Left: Illustration by McClelland Barclay. RIght: Illustration by Robert Maguire.
Illustration magazine editor/publisher/designer Dan Zimmer covers illustration from 1900-1970 in extensive detail. Left: Barbara Bradley. Right: Al Parker.
There's a heavy emphasis on book, magazine, and pulp cover illustration. Left: Robert Maguire. Right: Eugene Iverd.
Left: William Andrew Loomis. Right: WIllard Mullin.