The SciencesApril 4, 1908
Our Coal Briquetting Industry—III
A Complete Review of American Development in a new Enterprise
Stories by Edward W. Parker
The SciencesMarch 28, 1908
Our Coal Briquetting Industry—II
A Complete Review of American Development- in a New Enterprise
The SciencesMarch 21, 1908
The Coal Briquetting Industry in the United States