By Porter Cedric, W..
Chestnut Hill, Mass. Pathfinder Fund 1975 .
42 p.

By Mandel, Ernest..
New York Pathfinder Press 1970 .
94 p. , 920504 22 cm..

New York Pathfinder Press 1977 .
63 p. , Reprinted from the International Socialist review. | Includes index. | Also available in General Collection.

By Novack, George Edward..
New York Pathfinder Press 1971 .
286 p. , "A Merit book." 22 cm..

By Porter Cedric, W..
Chestnut Hill, Mass. Pathfinder Fund 1980 .
67 p. , Includes index.

New York Pathfinder Press 1978 .
393 p. , Includes index. 23 cm..
0873485580 | 0873485599

New York Pathfinder Press 1977 .
63 p. , Reprinted from the International Socialist review. | Includes index. 23 cm..
0873485521 | 087348553X

New York Pathfinder Press 1977 .
63 p. , Reprinted from the International Socialist review. | Includes index. 23 cm..
0873485521 | 087348553X

By Moore, Clark D..
New York Bantam Pathfinder Editions 1968 .
xiv, 394 p.

By Mandel, Ernest..
New York Monad Press; distributed by Pathfinder Press 1972 .
128 p. 22 cm..

By Marx, Carlos.
Nueva York Pathfinder 2008 .
93 p. , Includes index. 22 cm..
9781604880045