Barbara Seaman holding vaginal cap at Pre-1980 Women's March press conference

General note: Title and date provided by Bettye Lane.

Tatyana Mamonova holding her underground unpublished book on Russian Women and feminism

General note: Title and date provided by Bettye Lane.

Women holding a "Cut back the Pentagon" sign at an ERA demonstration

Inscription: Verso: New York.

Woman holding a sign with a Simone De Beauvoir quote at International Woman's Day Demonstration

Inscription: Verso: New York.

Woman holding banner reading "ERA missionaries are everywhere" at a walk-a-thon for the ERA

Inscription: Verso: New York City.

Woman holding a copy of "Woman's World: Women's Liberation"

Inscription: Verso: women's rights demonstration, Bryant Park, New York.

Woman holding sign reading "Mary Mary quite contrary, how does your anger grow" at a women's rights rally

Inscription: Verso: women's rights demonstration, New York.

Women holding posters at women's demonstration march

Inscription: Verso: women's rights demonstration New York.

Woman holding poster at women's rights demonstration.

Inscription: Verso: Women's demonstration, New York.