John Muir, Our National Parks #book cover #cover book #3d book cover #book covering
vintage book cover
Graphis Magazine cover
Hands down, one of the coolest resources - Vintage book scans from the Biodiversity Heritage Library - free for non-commercial use (with attribution)
The Condemned of Altona cover by Paul Rand. The Condemned of Altona by Jean Paul Sartre. Vintage Books, 1963.