Models Carol La Brie (right) and Ro Anne Nesbitt in the February 1969 issue of Vogue (US). Their (natural) hair was done by hair legend Harold Melvin. From the article:
Short stretch, left, soaring skyward. Long stretch, right, pouring right down to earth. Both: stretches of Afro hair imagination. Black hair, as free as the southeast wind, does what comes natural. What might that be? You name it. Just as “black” skins range through a jewelled spectrum of color, pale topaz through jet onyx, “black” hair has its own variations.