达顿的方案不能算是严格意义上的环球图书馆，因为在版和有版权限制的作品将被排除在外；但他认为国会可以将孤版书籍数字化授权给一家非商业目的的公共图书馆。
Darnton’s plan falls short of a universal library, because works in print and in copyright would be excluded; but he believes that Congress might grant a non-commercial public library the right to digitize orphan books.