Across the frontiers.

Heisenberg, Werner, 1901-1976.
New York : Harper & Row, [1974]
[1st ed.]

The age of nationalism; the first era of global history.

Kohn, Hans, 1891-1971.
New York : Harper, [1962]
[1st ed.]

Alfred North Whitehead; his reflections on man and nature.

Whitehead, Alfred North, 1861-1947.
New York : Harper, [1961]
[1st ed.]

American humanism : its meaning for world survival

Jones, Howard Mumford, 1892-1980.
New York : Harper, 1957.
1st ed.

Approaches to God.

Maritain, Jacques, 1882-1973.
New York : Harper, [1954]
[1st ed.]

The art of loving

Fromm, Erich, 1900-1980.
New York : Harper & Row, [1956]
[1st ed.].

Caliban reborn; renewal in twentieth-century music

Mellers, Wilfrid, 1914-2008.
New York : Harper & Row, [1967]
[1st ed.]

Challenge of psychical research; a primer of parapsychology

Murphy, Gardner, 1895-1979.
New York : Harper, [1961]
[1st ed.]

Deschooling society.

Illich, Ivan, 1926-2002.
New York : Harper & Row, [1971]
[1st ed.]

Dynamics of faith.

Tillich, Paul, 1886-1965.
New York : Harper, [1956, c1957]
[1st ed.]

Emergency exit.

Silone, Ignazio, 1900-1978.
New York : Harper & Row, [1968]
[1st ed.]

Evil and world order

Thompson, William Irwin.
New York : Harper & Row, [1976]
1st ed.

Hinduism: its meaning for the liberation of the spirit.

Nikhilananda, Swami.
New York : Harper, [1958]

History as art and as science; twin vistas on the past.

Hughes, H. Stuart (Henry Stuart), 1916-1999.
New York : Harper & Row, [1964]
[1st ed.]

Humanism: the Greek ideal and its survival.

Hadas, Moses, 1900-1966.
New York : Harper, [1960]
[1st ed.].

Humanism: the Greek ideal and its survival.

Hadas, Moses, 1900-1966.
London : G. Allen and Unwin, [1961]

In the center of immensities

Lovell, Bernard, 1913-2012.
New York : Harper & Row, [1978]
1st ed.

Issues of freedom: paradoxes and promises.

Muller, Herbert J. (Herbert Joseph), 1905-1980.
New York : Harper, [1960]

Letters from the field, 1925-1975

Mead, Margaret, 1901-1978.
New York : Harper & Row, [1977]
1st ed.

Life: its dimensions and its bounds.

MacIver, Robert M. (Robert Morrison), 1882-1970.
New York : Harper, [1960]
[1st ed.].

Man unfolding

Salk, Jonas, 1914-1995.
New York : Harper & Row, [1972]
[1st ed.]

Man's Western quest : the principles of civilization

Rougemont, Denis de, 1906-1985.
New York : Harper, 1957.
1st ed.

Marxism and the existentialists.

Aron, Raymond, 1905-1983.
New York : Harper & Row, [1969]
[1st ed.]

Matter, mind and man; the biology of human nature.

Sinnott, Edmund W. (Edmund Ware), 1888-1968.
New York : Harper, [1957]
[1st ed.].

The meaning of the twentieth century : the great transition

Boulding, Kenneth E. (Kenneth Ewart), 1910-1993.
New York : Harper & Row, 1964.
1st ed.

Myth and reality.

Eliade, Mircea, 1907-1986.
New York : Harper & Row, [1963]
[1st American ed.]

New paths in biology.

Portmann, Adolf, 1897-1982.
New York : Harper & Row, [1964]
[1st ed.].

Physics and beyond; encounters and conversations.

Heisenberg, Werner, 1901-1976.
New York : Harper & Row, [1971]
[1st ed.]

Physics and philosophy : the revolution in modern science

Heisenberg, Werner, 1901-1976.
New York : Harper & Row, 1962, c1958.

Realism in our time : literature and the class struggle

Lukács, György, 1885-1971.
New York : Harper & Row, [1964]

Recovery of faith.

Radhakrishnan, S. (Sarvepalli), 1888-1975.
New York : Greenwood Press, 1968 [c1955]

The revolution of hope, toward a humanized technology.

Fromm, Erich, 1900-1980.
New York : Harper & Row, [1968]
[1st ed.].

Revolution through peace

Câmara, Hélder, 1909-1999.
New York : Harper & Row, [1971]
1st U.S. ed.

Scope of total architecture.

Gropius, Walter, 1883-1969.
New York : Harper, [1955]
[1st ed.]

Sigmund Freud's mission; an analysis of his personality and influence.

Fromm, Erich, 1900-1980.
New York : Harper, [1959]
[1st ed.]

Society and knowledge.

Childe, V. Gordon (Vere Gordon), 1892-1957.
New York : Harper, [1956]

Through the vanishing point; space in poetry and painting

McLuhan, Marshall, 1911-1980.
New York : Harper & Row, [1968]
[1st ed.]

To have or to be?

Fromm, Erich, 1900-1980.
New York : Harper & Row, [1976]
1st ed.

The transformations of man.

Mumford, Lewis, 1895-1990.
New York : Harper, [1956]
[1st ed.]

World indivisible, with liberty and justice for all.

Adenauer, Konrad, 1876-1967.
New York : Harper, [1955]
[1st ed.]