Vintage library posters from the 1960s

These posters are part of a set belonging to Flickr user Enokson. Enokson is a school library technician who found the posters in the school library and thinks they come from the 1960s. I love the slogans on these, like "Read more, know more"!

 

 

 You can see the rest of the set here and read a news article about the popularity of these posters here.