In Thomas v. Washington Gas Light Co., 448 U.S. 261, 65 L. Ed. 2d 757, 100 S. Ct. 2647 (1980), claimant received benefits under an award in Virginia and sought further benefits in the District of Columbia. The benefits were not duplicative, and no agreement had been reached regarding benefits available to claimant in either state. 448 U.S. at 264-66. The United States Supreme Court in Thomas stated: "To be sure, . . . the factfindings of state administrative tribunals are entitled to the same res judicata effect in the second State as findings by a court. But the critical differences between a court of general jurisdiction and an administrative agency with limited statutory authority forecloses the conclusion that constitutional rules applicable to court judgments are necessarily applicable to workmen's compensation awards." 448 U.S. at 281-82.