A flashcard from the <n>We Are Black</n> series, 1969. Photo by <n>Darryll Radcliff</n>.

<n>N is for natural</n> poster, distributed by the <n>Society of Visual Education</n> in 1970.

From <n>The Black ABCs</n>, an educational flashcard set created in 1970 by the <n>Society for Visual Education</n>.

A 1970s educational poster from <n>The Black ABCs</n> series, now a popular internet meme.

P Is For Proud, from the 1966 book <n>A Guide to the Scout Law in Action</n>. Photo by <n>Gado</n>.

A series of flashcards from <n>The Black ABCs</n>, created by <n>June Sark Heinrich</n> in 1970.

A pair of <n>Panasonic RP-HZ47</n> clip-on headphones.

A card from the <n>Black ABCs</n> set, published in 1970. Photo by <n>Dexter Oliver</n> and <n>Patricia Oliver</n>.