Radicalism in America Lens, Sidney Popularity → Current 16 Peak 45 Niche 68 Book by Lens, Sidney Schenkman Pub. Co 1982 407 pages
The labor wars: From the Molly Maguires to the sitdowns Lens, Sidney Popularity → Current 15 Peak 42 Niche 65 Lens, Sidney, Labor From the Molly Maguires to the Sit Downs Anchor Press/Doubleday 1974 428 pages
Vietnam: a war on two fronts Lens, Sidney Popularity → Current 14 Peak 40 Niche 60 A history of American involvement in the Vietnam War, including a discussion of the antiwar movement in the United States. Lodestar Books 1990-10-25 115 pages
The promise and pitfalls of revolution Lens, Sidney Popularity → Current 11 Peak 32 Niche 52 United Church Press 1974 287 pages
Poverty: yesterday and today Lens, Sidney Popularity → Current 9 Peak 28 Niche 48 Crowell 1973 212 pages