Search U.S. government technical reports digitized or harvested by TRAIL.
Coal-tar products and the possibility of increasing their manufacture in the United States
Extraction methods for determining tar acids and bases, and variables affecting their accuracy
Coproducts of coke in the United States, 1919-1947
Coal-chemical materials produced at coke plants in the United States, 1948-57
Coal chemicals for world markets
Phthalic and maleic anhydrides from low-temperature lignite tar
Mass spectrometric analyses of coal-tar distillates and residues