Project Thirty Three is a blog by Seattle-based Jive Time Records, showcasing a fantastic collection of record sleeve designs. The way they are categorised by motif (Circles and Dots, Squares and Rectangles, Lines and Stripes) makes for fun browsing. As far as I can tell, the sleeves are mainly from the 1950s, 60s and 70s.
The seemingly infinite number of vintage record jackets that convey their message with only simple shapes and typography never cease to amaze us.
Sometimes less really is more! Look at these fine specimens:
Found via Allan Peters.