Special Happenings (Book, stories collected in 1973/1977/1980/1983)

You can digitally borrow multiple editions here (the back and front covers immediately below feature multiple illustrations from stories within that edition, including an entire Edward Gorey book).

You can read multiple editions of various readers in this series here. You can read an article about the covers of the 1977 editions here.

Radioamator (Magazines, 1950-1978)

Check out the graphic designs on the covers of this Polish radio hobby magazine. You can read it here.

Tip: 1960 is the most diverse era cover-wise, with a different design every month.