Goodrum, C. A., & Dalrymple, H. (1982). The Library of Congress (2nd ed. fully rev. and updated.). Westview Press ; Oxford & IBH Pub. Co. Pvt. Ltd..

Goodrum, Charles A., and Helen Dalrymple. The Library of Congress. 2nd ed. fully rev. and updated. Boulder, Colo. : New Delhi: Westview Press ; Oxford & IBH Pub. Co. Pvt. Ltd., 1982.

Goodrum, Charles A., and Helen Dalrymple. The Library of Congress. 2nd ed. fully rev. and updated. Westview Press ; Oxford & IBH Pub. Co. Pvt. Ltd., 1982.