Fath, E. A. (1944). The elements of astronomy: A non-mathematical text book for use as an introduction to the subject in colleges, universities, etc., and for the general reader (4. edition.). New York, New York: McGraw-Hill.

Fath, Edward Arthur. The Elements of Astronomy: A Non-mathematical Text Book for Use As an Introduction to the Subject in Colleges, Universities, Etc., and for the General Reader. 4. edition. New York, New York: McGraw-Hill, 1944.

Fath, Edward Arthur. The Elements of Astronomy: A Non-mathematical Text Book for Use As an Introduction to the Subject in Colleges, Universities, Etc., and for the General Reader. 4. edition. New York, New York: McGraw-Hill, 1944.