. . "Pacific railroads." . . . . . . . "The nature and extent of the obligations of the Pacific Railroad Companies to the government" . . . . . . . . . "The nature and extent of the obligations of the Pacific Railroad Companies to the government : in reference to the bonds issued by the United States in aid of the construction of the Union Pacific Railroad and its branches, considered"@en . . "The nature and extent of the obligations of the Pacific Railroad Companies to the government in reference to the bonds issued by the United States in aid of the construction of the Union Pacific Railroad and its branches"@en . . . . . . . . . . . "United States. Congress. Senate. Committee on the Judiciary." . .