Creation of a world center of communication / by Olivia Cushing Andersen and Hendrik Christian Andersen ; Legal argument from the positive science of government by Umano ; The economic advantages by Jeremiah W. Jenks
"Copyright by Hendrik Christian Andersen, 1918". Forms a sequel to the work of similar title published by the compiler in 1913. "Phototypy by Augusto Danesi, typographical impression by Riccardo Garroni". "Architectural part by Ernest M. Hébrard ... assisted by his brother, Jean Hebrard".