Trask, Roger R. creator United States General Accounting Office. History Program. text dcu Washington, D.C U.S. General Accounting Office, History Program [1991] 1991 monographic eng vi, 168 p. ill. 28 cm. Roger R. Trask. "GAO/OP-3-HP"--Cover. "November 1991." Includes index. Shipping list no.: 91-808-P. Includes bibliographical references (p. 136-137). United States General Accounting Office History HJ9802 .H57 OP-3 GA 1.13:OP-3-HP GA 1.13:OP-3-HP PUCPR 911205 20160527190459.0 311231