Pt.7) Condition of Yule Marble in Other Buildings: Building Stone of the Lincoln Memorial, by Elaine S. McGee
Pt.4) Selection of Yule Marble for the Lincoln Memorial: Building Stone of the Lincoln Memorial, by Elaine S. McGee
Pt.3) Grain Size, Texture, Mineral Phases and Compositions of the Marble: Building Stone of the Lincoln Memorial, by Elaine S. McGee