Men of space—Volume 11: by Shirley Thomas. Chilton Press, 1961. Price, $3.95I.M. Levitt · 1961

Cosmology: by H. Bondi. 179 pages, 15 × 22 cm. New York, Cambridge University Press, 1952. Price, $4.50I.M. Levitt · 1952

Nuclear physics: by W. Heisenberg. 225 pages, illustrations, 13×20 cm. New York, Philosophical Library, 1953. Price, $4.75.I.M. Levitt · 1954

From Euclid to Eddington: by Edmund Whittaker. 212 pages, 14 × 23 cm. Cambridge, University Press, 1949. Price, $4.00I.M. Levitt · 1949

Phenomena, atoms and molecules: by Irving Langmuir. 436 pages, illustrations. New York, Philosophical Library, 1950. Price, $10.00I.M. Levitt · 1950

Time counts: by Harold Watkins. 274 pages, plate, 15 × 22 cm. New York, Philosophical Library, 1954. Price, $4.75I.M. Levitt · 1954

Practical astronomy: by W. Schroeder. 206 pages, illustrations, 6 × 834 in. New York, Philosophical Library, 1957. Price, $6.00I.M. Levitt · 1958

Assured survival : Ben Bova. 14x21 cm, 343 pages, $15.95, Houghton Mifflin Company, Boston, MA, 1984.I.M. Levitt · 1985